xref: /titanic_41/usr/src/lib/libstmf/common/store.c (revision 9d0d62ad2e60e8f742a2e723d06e88352ee6a1f3)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <libscf.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <errno.h>
30 #include <assert.h>
31 #include <strings.h>
32 #include <libstmf.h>
33 #include <store.h>
34 #include <syslog.h>
35 #include <signal.h>
36 #include <pthread.h>
37 #include <libnvpair.h>
38 #include <limits.h>
39 #include <unistd.h>
40 
41 /*
42  * This file's functions are responsible for all store and retrieve operations
43  * against the STMF smf(5) database. The following shows the currently defined
44  * schema for the STMF database:
45  *
46  * Description of property groups for service: svc:/system/stmf
47  *
48  * Stability: Volatile
49  *
50  * 1. Property Group: host_groups
51  *        Properties: group_name-<N> where <N> is an unsigned integer
52  *                        type: ustring
53  *                        contains: group name
54  *                    group_name-<N>-member_list where <N> is an unsigned
55  *                            integer matching a group_name-<N> property.
56  *                        type: ustring
57  *                        contains: list of members
58  *
59  *        Description:
60  *             Contains the host group names as well as the host group members
61  *             for each host group.
62  *
63  * 2. Property Group: target_groups
64  *        Properties: group_name-<N> where <N> is an unsigned integer
65  *                        type: ustring
66  *                        contains: group name
67  *                    group_name-<N>-member_list where <N> is an unsigned
68  *                            integer matching a group_name-<N> property.
69  *                        type: ustring
70  *                        contains: list of members
71  *
72  *        Description:
73  *             Contains the target group names as well as the target group
74  *             members for each target group.
75  *
76  * 3. Property Group: lu-<GUID>
77  *                        where <GUID> is a 32 character hexadecimal string.
78  *        Properties: ve_cnt
79  *                        type: count
80  *                        contains: the number of current view entries
81  *                    view-entry-<N>-<GUID> where <N> is an unsigned integer
82  *                        type: ustring
83  *                        contains: nothing. Used as reference to the view
84  *                                  entry property group
85  *
86  *        Description:
87  *             Contains the references to each view entry. One lu-<GUID>
88  *             property group will exist for each logical unit with 1 or more
89  *             view entries.
90  *             Potentially can hold any other data that can be managed on a per
91  *             logical unit basis.
92  *
93  * 4. Property Group: view_entry-<N>-<GUID> (matches property in lu-<GUID>
94  *                    property group)
95  *        Properties: all_hosts
96  *                        type: boolean
97  *                        contains: when true, the value of host_group is
98  *                                  ignored
99  *                    all_targets
100  *                        type: boolean
101  *                        contains: when true, the value of target_group is
102  *                                  ignored
103  *                    host_group
104  *                        type: ustring
105  *                        contains: host group for logical unit mapping and
106  *                                  masking purposes
107  *                    target_group
108  *                        type: ustring
109  *                        contains: target group for logical unit mapping and
110  *                                  masking purposes
111  *                    lu_nbr
112  *                        type: opaque
113  *                        contains: the 8-byte SCSI logical unit number for
114  *                                  mapping and masking purposes
115  *        Description:
116  *             One "view_entry-<N>-<GUID>" property group will exist for each
117  *             view entry in the system. This property group name maps
118  *             directly to the "lu-<GUID>" property group with a matching
119  *             <GUID>.
120  *
121  * 5. Property Group: provider_data_pg_<provider-name>
122  *                        where <provider-name> is the name of the provider
123  *                           registered with stmf.
124  *        Properties: provider_data_prop-<N>
125  *                        where <N> is a sequential identifier for the data
126  *                           chunk.
127  *                        type: opaque
128  *                        contains: up to STMF_PROVIDER_DATA_PROP_SIZE bytes
129  *                                  of nvlist packed data.
130  *                    provider_data_count
131  *                        type: count
132  *                        contains: the number of provider data chunks
133  *                    provider_data_type
134  *                        type: integer
135  *                        contains: STMF_PORT_PROVIDER_TYPE or
136  *                                  STMF_LU_PROVIDER_TYPE
137  *
138  *        Description:
139  *             Holds the nvlist packed provider data set via
140  *             stmfSetProviderData and retrieved via stmfGetProviderData. Data
141  *             is stored in STMF_PROVIDER_DATA_PROP_SIZE chunks. On retrieve,
142  *             these chunks are reassembled and unpacked.
143  *
144  */
145 
146 static int iPsInit(scf_handle_t **, scf_service_t **);
147 static int iPsCreateDeleteGroup(char *, char *, int);
148 static int iPsAddRemoveGroupMember(char *, char *, char *, int);
149 static int iPsGetGroupList(char *, stmfGroupList **);
150 static int iPsGetGroupMemberList(char *, char *, stmfGroupProperties **);
151 static int iPsAddViewEntry(char *, char *, stmfViewEntry *);
152 static int iPsAddRemoveLuViewEntry(char *, char *, int);
153 static int iPsGetViewEntry(char *, stmfViewEntry *);
154 static int iPsGetActualGroupName(char *, char *, char *);
155 static int iPsGetServiceVersion(uint64_t *, scf_handle_t *, scf_service_t *);
156 static int iPsGetSetPersistType(uint8_t *, scf_handle_t *, scf_service_t *,
157     int);
158 static int viewEntryCompare(const void *, const void *);
159 static int holdSignal(sigset_t *);
160 static int releaseSignal(sigset_t *);
161 static void sigHandler();
162 
163 static pthread_mutex_t sigSetLock = PTHREAD_MUTEX_INITIALIZER;
164 
165 sigset_t sigSet;
166 sigset_t signalsCaught;
167 
168 struct sigaction currentActionQuit;
169 struct sigaction currentActionTerm;
170 struct sigaction currentActionInt;
171 
172 boolean_t actionSet = B_FALSE;
173 
174 /*
175  * Version info for the SMF schema
176  */
177 #define	STMF_SMF_VERSION    1
178 
179 /*
180  * Note: Do not change these property names and size values.
181  * They represent fields in the persistent config and once modified
182  * will have a nasty side effect of invalidating the existing store.
183  * If you do need to change them, you'll need to use the versioning above
184  * to retain backward compatiblity with the previous configuration schema.
185  */
186 
187 /* BEGIN STORE PROPERTY DEFINITIONS */
188 /*
189  * Property Group Names and prefixes
190  */
191 #define	STMF_HOST_GROUPS	"host_groups"
192 #define	STMF_TARGET_GROUPS	"target_groups"
193 #define	STMF_VE_PREFIX		"view_entry"
194 #define	STMF_LU_PREFIX		"lu"
195 #define	STMF_DATA_GROUP		"stmf_data"
196 
197 /*
198  * Property names and prefix for logical unit property group
199  */
200 #define	STMF_VE_CNT		"ve_cnt"
201 #define	STMF_GROUP_PREFIX	"group_name"
202 #define	STMF_MEMBER_LIST_SUFFIX	"member_list"
203 #define	STMF_VERSION_NAME	"version_name"
204 #define	STMF_PERSIST_TYPE	"persist_method"
205 
206 /*
207  * Property names for view entry
208  */
209 #define	STMF_VE_ALLHOSTS	    "all_hosts"
210 #define	STMF_VE_HOSTGROUP	    "host_group"
211 #define	STMF_VE_ALLTARGETS	    "all_targets"
212 #define	STMF_VE_TARGETGROUP	    "target_group"
213 #define	STMF_VE_LUNBR		    "lu_nbr"
214 
215 /* Property group suffix for provider data */
216 #define	STMF_PROVIDER_DATA_PREFIX "provider_data_pg_"
217 #define	STMF_PROVIDER_DATA_PROP_PREFIX "provider_data_prop"
218 #define	STMF_PROVIDER_DATA_PROP_NAME_SIZE 256
219 #define	STMF_PROVIDER_DATA_PROP_TYPE "provider_type"
220 #define	STMF_PROVIDER_DATA_PROP_SET_COUNT "provider_data_set_cnt"
221 #define	STMF_PROVIDER_DATA_PROP_COUNT "provider_data_cnt"
222 
223 
224 #define	STMF_SMF_READ_ATTR	"solaris.smf.read.stmf"
225 
226 #define	STMF_PS_PERSIST_NONE	"none"
227 #define	STMF_PS_PERSIST_SMF	"smf"
228 #define	STMF_PROVIDER_DATA_PROP_SIZE 4000
229 /* END STORE PROPERTY DEFINITIONS */
230 
231 /* service name */
232 #define	STMF_SERVICE	"system/stmf"
233 
234 /* limits and flag values */
235 #define	GROUP_MEMBER_ALLOC 100
236 #define	VIEW_ENTRY_STRUCT_CNT 6
237 #define	VIEW_ENTRY_PG_SIZE 256
238 #define	LOGICAL_UNIT_PG_SIZE 256
239 #define	VIEW_ENTRY_MAX UINT32_MAX
240 #define	GROUP_MAX UINT64_MAX
241 #define	ADD 0
242 #define	REMOVE 1
243 #define	GET 0
244 #define	SET 1
245 
246 /*
247  * sigHandler
248  *
249  * Catch the signal and set the global signalsCaught to the signal received
250  *
251  * signalsCaught will be used by releaseSignal to raise this signal when
252  * we're done processing our critical code.
253  *
254  */
255 static void
256 sigHandler(int sig)
257 {
258 	(void) sigaddset(&signalsCaught, sig);
259 }
260 
261 /*
262  * iPsAddRemoveGroupMember
263  *
264  * Add or remove a member for a given group
265  *
266  * pgName - Property group name
267  * groupName - group name to which the member is added/removed
268  * memberName - member to be added/removed
269  * addRemoveFlag - ADD/REMOVE
270  *
271  * returns:
272  *  STMF_PS_SUCCESS on success
273  *  STMF_PS_ERROR_* on failure
274  */
275 static int
276 iPsAddRemoveGroupMember(char *pgName, char *groupName, char *memberName,
277 int addRemoveFlag)
278 {
279 	scf_handle_t *handle = NULL;
280 	scf_service_t *svc = NULL;
281 	scf_propertygroup_t *pg = NULL;
282 	scf_property_t *prop = NULL;
283 	scf_value_t *valueLookup = NULL;
284 	scf_value_t **valueSet = NULL;
285 	scf_iter_t *valueIter = NULL;
286 	scf_transaction_t *tran = NULL;
287 	scf_transaction_entry_t *entry = NULL;
288 	int i = 0;
289 	int lastAlloc;
290 	int valueArraySize = 0;
291 	int ret = STMF_PS_SUCCESS;
292 	char buf[STMF_IDENT_LENGTH];
293 	int commitRet;
294 	boolean_t found = B_FALSE;
295 
296 	assert(pgName != NULL && groupName != NULL && memberName != NULL);
297 
298 	/*
299 	 * Init the service handle
300 	 */
301 	ret = iPsInit(&handle, &svc);
302 	if (ret != STMF_PS_SUCCESS) {
303 		goto out;
304 	}
305 
306 	/*
307 	 * Allocate scf resources
308 	 */
309 	if (((pg = scf_pg_create(handle)) == NULL) ||
310 	    ((tran = scf_transaction_create(handle)) == NULL) ||
311 	    ((entry = scf_entry_create(handle)) == NULL) ||
312 	    ((prop = scf_property_create(handle)) == NULL) ||
313 	    ((valueIter = scf_iter_create(handle)) == NULL)) {
314 		syslog(LOG_ERR, "scf alloc resource failed - %s",
315 		    scf_strerror(scf_error()));
316 		ret = STMF_PS_ERROR;
317 		goto out;
318 	}
319 
320 	/*
321 	 * Get the service property group handle
322 	 */
323 	if (scf_service_get_pg(svc, pgName, pg) == -1) {
324 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
325 			ret = STMF_PS_ERROR_NOT_FOUND;
326 		} else {
327 			syslog(LOG_ERR, "get pg failed - %s",
328 			    scf_strerror(scf_error()));
329 			ret = STMF_PS_ERROR;
330 		}
331 		goto out;
332 	}
333 
334 	/*
335 	 * Begin the transaction
336 	 */
337 	if (scf_transaction_start(tran, pg) == -1) {
338 		syslog(LOG_ERR, "start transaction failed - %s",
339 		    scf_strerror(scf_error()));
340 		ret = STMF_PS_ERROR;
341 		goto out;
342 	}
343 
344 	/*
345 	 * We're changing an existing property by adding a propval
346 	 * There are no add semantics in libscf for a property value. We'll
347 	 * need to read in the current properties and apply them all to the
348 	 * set and then add the one we were asked to add or omit the one
349 	 * we were asked to remove.
350 	 */
351 	if (scf_transaction_property_change(tran, entry, groupName,
352 	    SCF_TYPE_USTRING) == -1) {
353 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
354 			ret = STMF_PS_ERROR_GROUP_NOT_FOUND;
355 		} else {
356 			ret = STMF_PS_ERROR;
357 			syslog(LOG_ERR, "tran property change failed - %s",
358 			    scf_strerror(scf_error()));
359 		}
360 		goto out;
361 	}
362 
363 	/*
364 	 * Get the property handle
365 	 */
366 	if (scf_pg_get_property(pg, groupName, prop) == -1) {
367 		syslog(LOG_ERR, "get property failed - %s",
368 		    scf_strerror(scf_error()));
369 		ret = STMF_PS_ERROR;
370 		goto out;
371 	}
372 
373 	/*
374 	 * Value lookup is used to lookup the existing values
375 	 */
376 	valueLookup = scf_value_create(handle);
377 	if (valueLookup == NULL) {
378 		syslog(LOG_ERR, "scf value alloc failed - %s",
379 		    scf_strerror(scf_error()));
380 		ret = STMF_PS_ERROR;
381 		goto out;
382 	}
383 
384 	/*
385 	 * valueIter is the iterator handle, create the resource
386 	 */
387 	if (scf_iter_property_values(valueIter, prop) == -1) {
388 		syslog(LOG_ERR, "iter value failed - %s",
389 		    scf_strerror(scf_error()));
390 		ret = STMF_PS_ERROR;
391 		goto out;
392 	}
393 
394 	/*
395 	 * Allocate value resource pointers.
396 	 * We need a value resource for each value as value pointers passed
397 	 * to libscf cannot be destroyed until the commit or destroy on the
398 	 * transaction is done.
399 	 *
400 	 * We're using GROUP_MEMBER_ALLOC initially. If it's not large
401 	 * enough, we'll realloc on the fly
402 	 */
403 	valueSet = (scf_value_t **)calloc(1, sizeof (*valueSet)
404 	    * (lastAlloc = GROUP_MEMBER_ALLOC));
405 	if (valueSet == NULL) {
406 		ret = STMF_PS_ERROR_NOMEM;
407 		goto out;
408 	}
409 
410 	/*
411 	 * Iterate through the existing values
412 	 */
413 	while (scf_iter_next_value(valueIter, valueLookup) == 1) {
414 		bzero(buf, sizeof (buf));
415 		if (scf_value_get_ustring(valueLookup, buf, MAXNAMELEN) == -1) {
416 			syslog(LOG_ERR, "iter value failed - %s",
417 			    scf_strerror(scf_error()));
418 			ret = STMF_PS_ERROR;
419 			break;
420 		}
421 
422 		/*
423 		 * Check for existing
424 		 * If we're adding, it's an error
425 		 * If we're removing, we skip it and simply not
426 		 * add it to the set. Subtraction by omission.
427 		 */
428 		if ((strlen(buf) == strlen(memberName)) &&
429 		    bcmp(buf, memberName, strlen(buf)) == 0) {
430 			if (addRemoveFlag == ADD) {
431 				ret = STMF_PS_ERROR_EXISTS;
432 				break;
433 			} else {
434 				found = B_TRUE;
435 				continue;
436 			}
437 		}
438 
439 		/*
440 		 * Create the value resource for this iteration
441 		 */
442 		valueSet[i] = scf_value_create(handle);
443 		if (valueSet[i] == NULL) {
444 			syslog(LOG_ERR, "scf value alloc failed - %s",
445 			    scf_strerror(scf_error()));
446 			ret = STMF_PS_ERROR;
447 			break;
448 		}
449 
450 		/*
451 		 * Set the value
452 		 */
453 		if (scf_value_set_ustring(valueSet[i], buf) == -1) {
454 			syslog(LOG_ERR, "set value failed - %s",
455 			    scf_strerror(scf_error()));
456 			ret = STMF_PS_ERROR;
457 			break;
458 		}
459 
460 		/*
461 		 * Now add the value
462 		 */
463 		if (scf_entry_add_value(entry, valueSet[i]) == -1) {
464 			syslog(LOG_ERR, "add value failed - %s",
465 			    scf_strerror(scf_error()));
466 			ret = STMF_PS_ERROR;
467 			break;
468 		}
469 
470 		i++;
471 
472 		/*
473 		 * realloc if we've hit the previous alloc size
474 		 */
475 		if (i >= lastAlloc) {
476 			lastAlloc += GROUP_MEMBER_ALLOC;
477 			valueSet = realloc(valueSet,
478 			    sizeof (*valueSet) * lastAlloc);
479 			if (valueSet == NULL) {
480 				ret = STMF_PS_ERROR;
481 				break;
482 			}
483 		}
484 	}
485 
486 	/*
487 	 * set valueArraySize to final allocated length
488 	 * so we can use it to destroy the resources correctly
489 	 */
490 	valueArraySize = i;
491 
492 	if (!found && (addRemoveFlag == REMOVE)) {
493 		ret = STMF_PS_ERROR_MEMBER_NOT_FOUND;
494 	}
495 
496 	if (ret != STMF_PS_SUCCESS) {
497 		goto out;
498 	}
499 
500 	/*
501 	 * If we're adding, we have one more step. Add the member to the
502 	 * propval list
503 	 */
504 	if (addRemoveFlag == ADD) {
505 		/*
506 		 * Now create the new entry
507 		 */
508 		valueSet[i] = scf_value_create(handle);
509 		if (valueSet[i] == NULL) {
510 			syslog(LOG_ERR, "scf value alloc failed - %s",
511 			    scf_strerror(scf_error()));
512 			ret = STMF_PS_ERROR;
513 			goto out;
514 		} else {
515 			valueArraySize++;
516 		}
517 
518 		/*
519 		 * Set the new member name
520 		 */
521 		if (scf_value_set_ustring(valueSet[i], memberName) == -1) {
522 			syslog(LOG_ERR, "set value failed - %s",
523 			    scf_strerror(scf_error()));
524 			ret = STMF_PS_ERROR;
525 			goto out;
526 		}
527 
528 		/*
529 		 * Add the new member
530 		 */
531 		if (scf_entry_add_value(entry, valueSet[i]) == -1) {
532 			syslog(LOG_ERR, "add value failed - %s",
533 			    scf_strerror(scf_error()));
534 			ret = STMF_PS_ERROR;
535 			goto out;
536 		}
537 	}
538 
539 	/*
540 	 * Yes, we're finally done. We actually added or removed one entry
541 	 * from the list.
542 	 * Woohoo!
543 	 */
544 	if ((commitRet = scf_transaction_commit(tran)) != 1) {
545 		syslog(LOG_ERR, "transaction commit failed - %s",
546 		    scf_strerror(scf_error()));
547 		if (commitRet == 0) {
548 			ret = STMF_PS_ERROR_BUSY;
549 		} else {
550 			ret = STMF_PS_ERROR;
551 		}
552 		goto out;
553 	}
554 
555 out:
556 	/*
557 	 * Free resources
558 	 */
559 	if (handle != NULL) {
560 		scf_handle_destroy(handle);
561 	}
562 	if (svc != NULL) {
563 		scf_service_destroy(svc);
564 	}
565 	if (pg != NULL) {
566 		scf_pg_destroy(pg);
567 	}
568 	if (tran != NULL) {
569 		scf_transaction_destroy(tran);
570 	}
571 	if (entry != NULL) {
572 		scf_entry_destroy(entry);
573 	}
574 	if (prop != NULL) {
575 		scf_property_destroy(prop);
576 	}
577 	if (valueLookup != NULL) {
578 		scf_value_destroy(valueLookup);
579 	}
580 	if (valueIter != NULL) {
581 		scf_iter_destroy(valueIter);
582 	}
583 
584 	/*
585 	 * Free valueSet scf resources
586 	 */
587 	if (valueArraySize > 0) {
588 		for (i = 0; i < valueArraySize; i++) {
589 			scf_value_destroy(valueSet[i]);
590 		}
591 	}
592 	/*
593 	 * Now free the pointer array to the resources
594 	 */
595 	if (valueSet != NULL) {
596 		free(valueSet);
597 	}
598 
599 	return (ret);
600 }
601 
602 /*
603  * iPsAddRemoveLuViewEntry
604  *
605  * Adds or removes a view entry name property for a given logical unit
606  * property group. There is one logical unit property group for every logical
607  * unit that has one or more associated view entries.
608  *
609  * luPgName - Property group name of logical unit
610  * viewEntryPgName - Property group name of view entry
611  * addRemoveFlag - ADD_VE/REMOVE_VE
612  *
613  * returns:
614  *  STMF_PS_SUCCESS on success
615  *  STMF_PS_ERROR_* on failure
616  */
617 static int
618 iPsAddRemoveLuViewEntry(char *luPgName, char *viewEntryPgName,
619     int addRemoveFlag)
620 {
621 	scf_handle_t	*handle = NULL;
622 	scf_service_t	*svc = NULL;
623 	scf_propertygroup_t	*pg = NULL;
624 	scf_property_t	*prop = NULL;
625 	scf_value_t	*value = NULL;
626 	scf_transaction_t   *tran = NULL;
627 	scf_transaction_entry_t *entry = NULL;
628 	scf_transaction_entry_t *entryVeName = NULL;
629 	boolean_t createVeCnt = B_FALSE;
630 	uint64_t veCnt = 0;
631 	int ret = STMF_PS_SUCCESS;
632 	int commitRet;
633 
634 	assert(luPgName != NULL || viewEntryPgName != NULL);
635 	assert(!(addRemoveFlag != ADD && addRemoveFlag != REMOVE));
636 
637 	/*
638 	 * Init the service handle
639 	 */
640 	ret = iPsInit(&handle, &svc);
641 	if (ret != STMF_PS_SUCCESS) {
642 		goto out;
643 	}
644 
645 	/*
646 	 * Allocate scf resources
647 	 */
648 	if (((pg = scf_pg_create(handle)) == NULL) ||
649 	    ((tran = scf_transaction_create(handle)) == NULL) ||
650 	    ((entry = scf_entry_create(handle)) == NULL) ||
651 	    ((prop = scf_property_create(handle)) == NULL) ||
652 	    ((value = scf_value_create(handle)) == NULL)) {
653 		syslog(LOG_ERR, "scf alloc resource failed - %s",
654 		    scf_strerror(scf_error()));
655 		ret = STMF_PS_ERROR;
656 		goto out;
657 	}
658 
659 	/* get the LU property group */
660 	if (scf_service_get_pg(svc, luPgName, pg) == -1) {
661 		if (scf_error() == SCF_ERROR_NOT_FOUND &&
662 		    addRemoveFlag == ADD) {
663 			/* if it doesn't exist, create it */
664 			if (scf_service_add_pg(svc, luPgName,
665 			    SCF_GROUP_APPLICATION, 0, pg) == -1) {
666 				syslog(LOG_ERR, "add pg failed - %s",
667 				    scf_strerror(scf_error()));
668 				ret = STMF_PS_ERROR;
669 			} else {
670 				/* we need to create the VE_CNT property */
671 				createVeCnt = B_TRUE;
672 				ret = STMF_PS_SUCCESS;
673 			}
674 		} else if (scf_error() == SCF_ERROR_NOT_FOUND) {
675 			ret = STMF_PS_ERROR_NOT_FOUND;
676 		} else {
677 			syslog(LOG_ERR, "get pg failed - %s",
678 			    scf_strerror(scf_error()));
679 			ret = STMF_PS_ERROR;
680 		}
681 		if (ret != STMF_PS_SUCCESS) {
682 			goto out;
683 		}
684 	}
685 
686 
687 	/*
688 	 * Begin the transaction
689 	 */
690 	if (scf_transaction_start(tran, pg) == -1) {
691 		syslog(LOG_ERR, "start transaction failed - %s",
692 		    scf_strerror(scf_error()));
693 		ret = STMF_PS_ERROR;
694 		goto out;
695 	}
696 
697 
698 	if (createVeCnt) {
699 		/*
700 		 * Create the STMF_VE_CNT property. This will keep the current
701 		 * total view entries for this logical unit.
702 		 */
703 		if (scf_transaction_property_new(tran, entry, STMF_VE_CNT,
704 		    SCF_TYPE_COUNT) == -1) {
705 			if (scf_error() == SCF_ERROR_EXISTS) {
706 				ret = STMF_PS_ERROR_EXISTS;
707 			} else {
708 				syslog(LOG_ERR,
709 				    "transaction property new failed - %s",
710 				    scf_strerror(scf_error()));
711 				ret = STMF_PS_ERROR;
712 			}
713 			goto out;
714 		}
715 	} else {
716 		/*
717 		 * The STMF_VE_CNT property already exists. Just update
718 		 * it.
719 		 */
720 		if (scf_transaction_property_change(tran, entry,
721 		    STMF_VE_CNT, SCF_TYPE_COUNT) == -1) {
722 			syslog(LOG_ERR, "transaction property new failed - %s",
723 			    scf_strerror(scf_error()));
724 			ret = STMF_PS_ERROR;
725 			goto out;
726 		}
727 
728 		/*
729 		 * Get the STMF_VE_CNT property
730 		 */
731 		if (scf_pg_get_property(pg, STMF_VE_CNT, prop) == -1) {
732 			syslog(LOG_ERR, "get property failed - %s",
733 			    scf_strerror(scf_error()));
734 			ret = STMF_PS_ERROR;
735 			goto out;
736 		}
737 
738 		/*
739 		 * Get the STMF_VE_CNT value
740 		 */
741 		if (scf_property_get_value(prop, value) == -1) {
742 			syslog(LOG_ERR, "get property value failed - %s",
743 			    scf_strerror(scf_error()));
744 			ret = STMF_PS_ERROR;
745 			goto out;
746 		}
747 
748 		/*
749 		 * Now get the actual value from the value handle
750 		 */
751 		if (scf_value_get_count(value, &veCnt) == -1) {
752 			syslog(LOG_ERR, "get integer value failed - %s",
753 			    scf_strerror(scf_error()));
754 			ret = STMF_PS_ERROR;
755 			goto out;
756 		}
757 
758 		/*
759 		 * Reset the value resource as it is used below
760 		 */
761 		scf_value_reset(value);
762 	}
763 
764 	if (addRemoveFlag == ADD) {
765 		veCnt++;
766 	} else {
767 		/* Check if this is the last one being removed */
768 		if (veCnt == 1) {
769 			/*
770 			 * Delete the pg and get out if this is the last
771 			 * view entry
772 			 */
773 			if (scf_pg_delete(pg) == -1) {
774 				syslog(LOG_ERR, "delete pg failed - %s",
775 				    scf_strerror(scf_error()));
776 				ret = STMF_PS_ERROR;
777 			}
778 			goto out;
779 		} else {
780 			veCnt--;
781 		}
782 	}
783 
784 
785 	/*
786 	 * Set the view entry count
787 	 */
788 	scf_value_set_count(value, veCnt);
789 
790 	/*
791 	 * Add the value to the transaction entry
792 	 */
793 	if (scf_entry_add_value(entry, value) == -1) {
794 		syslog(LOG_ERR, "add value failed - %s",
795 		    scf_strerror(scf_error()));
796 		ret = STMF_PS_ERROR;
797 		goto out;
798 	}
799 
800 	/*
801 	 * Create a transaction entry resource for the view entry name
802 	 */
803 	entryVeName = scf_entry_create(handle);
804 	if (entryVeName == NULL) {
805 		syslog(LOG_ERR, "scf transaction entry alloc failed - %s",
806 		    scf_strerror(scf_error()));
807 		ret = STMF_PS_ERROR;
808 		goto out;
809 	}
810 
811 	if (addRemoveFlag == ADD) {
812 		/*
813 		 * If adding, create a property with the view entry name
814 		 */
815 		if (scf_transaction_property_new(tran, entryVeName,
816 		    viewEntryPgName, SCF_TYPE_USTRING) == -1) {
817 			if (scf_error() == SCF_ERROR_EXISTS) {
818 				ret = STMF_PS_ERROR_EXISTS;
819 			} else {
820 				syslog(LOG_ERR,
821 				    "transaction property new failed - %s",
822 				    scf_strerror(scf_error()));
823 				ret = STMF_PS_ERROR;
824 			}
825 			goto out;
826 		}
827 	} else {
828 		/*
829 		 * If removing, delete the existing property with the view
830 		 * entry name
831 		 */
832 		if (scf_transaction_property_delete(tran, entryVeName,
833 		    viewEntryPgName) == -1) {
834 			if (scf_error() == SCF_ERROR_NOT_FOUND) {
835 				ret = STMF_PS_ERROR_NOT_FOUND;
836 			} else {
837 				syslog(LOG_ERR,
838 				    "transaction property delete failed - %s",
839 				    scf_strerror(scf_error()));
840 				ret = STMF_PS_ERROR;
841 			}
842 			goto out;
843 		}
844 	}
845 
846 	/*
847 	 * Commit property transaction
848 	 */
849 	if ((commitRet = scf_transaction_commit(tran)) != 1) {
850 		syslog(LOG_ERR, "transaction commit failed - %s",
851 		    scf_strerror(scf_error()));
852 		if (commitRet == 0) {
853 			ret = STMF_PS_ERROR_BUSY;
854 		} else {
855 			ret = STMF_PS_ERROR;
856 		}
857 		goto out;
858 	}
859 
860 out:
861 	/*
862 	 * Free resources
863 	 */
864 	if (handle != NULL) {
865 		scf_handle_destroy(handle);
866 	}
867 	if (svc != NULL) {
868 		scf_service_destroy(svc);
869 	}
870 	if (pg != NULL) {
871 		scf_pg_destroy(pg);
872 	}
873 	if (tran != NULL) {
874 		scf_transaction_destroy(tran);
875 	}
876 	if (entry != NULL) {
877 		scf_entry_destroy(entry);
878 	}
879 	if (entryVeName != NULL) {
880 		scf_entry_destroy(entryVeName);
881 	}
882 	if (prop != NULL) {
883 		scf_property_destroy(prop);
884 	}
885 	if (value != NULL) {
886 		scf_value_destroy(value);
887 	}
888 
889 	return (ret);
890 }
891 
892 /*
893  * iPsAddViewEntry
894  *
895  * Add a view entry property group and optionally, a logical unit property
896  * group if it does not exist.
897  *
898  * luName - ascii hexadecimal logical unit identifier
899  * viewEntryName - name of view entry (VIEW_ENTRY_nn)
900  * viewEntry - pointer to stmfViewEntry structure
901  */
902 static int
903 iPsAddViewEntry(char *luPgName, char *viewEntryPgName, stmfViewEntry *viewEntry)
904 {
905 	scf_handle_t	*handle = NULL;
906 	scf_service_t	*svc = NULL;
907 	scf_propertygroup_t	*pg = NULL;
908 	scf_value_t	*value[VIEW_ENTRY_STRUCT_CNT];
909 	scf_transaction_t   *tran = NULL;
910 	scf_transaction_entry_t *entry[VIEW_ENTRY_STRUCT_CNT];
911 	int i = 0;
912 	int j = 0;
913 	int ret;
914 	uint8_t scfBool;
915 	boolean_t createdVePg = B_FALSE;
916 	int backoutRet;
917 	int commitRet;
918 
919 	assert(luPgName != NULL || viewEntryPgName != NULL ||
920 	    viewEntry == NULL);
921 
922 	bzero(value, sizeof (value));
923 	bzero(entry, sizeof (entry));
924 
925 	/*
926 	 * Init the service handle
927 	 */
928 	ret = iPsInit(&handle, &svc);
929 	if (ret != STMF_PS_SUCCESS) {
930 		goto out;
931 	}
932 
933 	/*
934 	 * Allocate scf resources
935 	 */
936 	if (((pg = scf_pg_create(handle)) == NULL) ||
937 	    ((tran = scf_transaction_create(handle)) == NULL)) {
938 		syslog(LOG_ERR, "scf alloc resource failed - %s",
939 		    scf_strerror(scf_error()));
940 		ret = STMF_PS_ERROR;
941 		goto out;
942 	}
943 
944 	/*
945 	 * allocate value and entry resources for scf
946 	 */
947 	for (i = 0; i < VIEW_ENTRY_STRUCT_CNT; i++) {
948 		if (((value[i] = scf_value_create(handle)) == NULL) ||
949 		    ((entry[i] = scf_entry_create(handle)) == NULL)) {
950 			syslog(LOG_ERR, "scf alloc resource failed - %s",
951 			    scf_strerror(scf_error()));
952 			ret = STMF_PS_ERROR;
953 			goto out;
954 		}
955 	}
956 
957 	i = 0;
958 
959 	/*
960 	 * Create the View Entry property group
961 	 */
962 	if (scf_service_add_pg(svc, viewEntryPgName, SCF_GROUP_APPLICATION,
963 	    0, pg) == -1) {
964 		if (scf_error() == SCF_ERROR_EXISTS) {
965 			ret = STMF_PS_ERROR_EXISTS;
966 		} else {
967 			syslog(LOG_ERR, "add pg failed - %s",
968 			    scf_strerror(scf_error()));
969 			ret = STMF_PS_ERROR;
970 		}
971 		goto out;
972 	}
973 
974 	createdVePg = B_TRUE;
975 
976 	/*
977 	 * Add the view entry as properties on the view entry group
978 	 */
979 
980 	/*
981 	 * Begin property update transaction
982 	 */
983 	if (scf_transaction_start(tran, pg) == -1) {
984 		syslog(LOG_ERR, "start transaction failed - %s",
985 		    scf_strerror(scf_error()));
986 		ret = STMF_PS_ERROR;
987 		goto out;
988 	}
989 
990 	/*
991 	 * Add allHosts property
992 	 */
993 	if (scf_transaction_property_new(tran, entry[i],
994 	    STMF_VE_ALLHOSTS, SCF_TYPE_BOOLEAN) == -1) {
995 		if (scf_error() == SCF_ERROR_EXISTS) {
996 			ret = STMF_PS_ERROR_EXISTS;
997 		} else {
998 			syslog(LOG_ERR, "transaction property new failed - %s",
999 			    scf_strerror(scf_error()));
1000 			ret = STMF_PS_ERROR;
1001 		}
1002 		goto out;
1003 	}
1004 
1005 	/* Set the allHosts value */
1006 	scfBool = viewEntry->allHosts;
1007 	scf_value_set_boolean(value[i], scfBool);
1008 
1009 	/*
1010 	 * Add the allHosts value to the transaction
1011 	 */
1012 	if (scf_entry_add_value(entry[i], value[i]) == -1) {
1013 		syslog(LOG_ERR, "add value failed - %s",
1014 		    scf_strerror(scf_error()));
1015 		ret = STMF_PS_ERROR;
1016 		goto out;
1017 	}
1018 
1019 	i++;
1020 
1021 	/*
1022 	 * Create hostGroup property
1023 	 */
1024 	if (scf_transaction_property_new(tran, entry[i],
1025 	    STMF_VE_HOSTGROUP, SCF_TYPE_USTRING) == -1) {
1026 		if (scf_error() == SCF_ERROR_EXISTS) {
1027 			ret = STMF_PS_ERROR_EXISTS;
1028 		} else {
1029 			syslog(LOG_ERR, "transaction property new failed - %s",
1030 			    scf_strerror(scf_error()));
1031 			ret = STMF_PS_ERROR;
1032 		}
1033 		goto out;
1034 	}
1035 
1036 	/*
1037 	 * Set the value for hostGroup
1038 	 */
1039 	if (scf_value_set_ustring(value[i], viewEntry->hostGroup) == -1) {
1040 		syslog(LOG_ERR, "set value failed - %s",
1041 		    scf_strerror(scf_error()));
1042 		ret = STMF_PS_ERROR;
1043 		goto out;
1044 	}
1045 
1046 	/*
1047 	 * Add the hostGroup value to the transaction entry
1048 	 */
1049 	if (scf_entry_add_value(entry[i], value[i]) == -1) {
1050 		syslog(LOG_ERR, "add value failed - %s",
1051 		    scf_strerror(scf_error()));
1052 		ret = STMF_PS_ERROR;
1053 		goto out;
1054 	}
1055 
1056 	i++;
1057 
1058 	/*
1059 	 * Create the allTargets property
1060 	 */
1061 	if (scf_transaction_property_new(tran, entry[i],
1062 	    STMF_VE_ALLTARGETS, SCF_TYPE_BOOLEAN) == -1) {
1063 		if (scf_error() == SCF_ERROR_EXISTS) {
1064 			ret = STMF_PS_ERROR_EXISTS;
1065 		} else {
1066 			syslog(LOG_ERR, "transaction property new failed - %s",
1067 			    scf_strerror(scf_error()));
1068 			ret = STMF_PS_ERROR;
1069 		}
1070 		goto out;
1071 	}
1072 
1073 	/*
1074 	 * Set the allTargets value
1075 	 */
1076 	scfBool = viewEntry->allTargets;
1077 	scf_value_set_boolean(value[i], scfBool);
1078 
1079 	/*
1080 	 * Add the allTargets value to the transaction
1081 	 */
1082 	if (scf_entry_add_value(entry[i], value[i]) == -1) {
1083 		syslog(LOG_ERR, "add value failed - %s",
1084 		    scf_strerror(scf_error()));
1085 		ret = STMF_PS_ERROR;
1086 		goto out;
1087 	}
1088 
1089 	i++;
1090 
1091 	/*
1092 	 * Create targetGroup property
1093 	 */
1094 	if (scf_transaction_property_new(tran, entry[i],
1095 	    STMF_VE_TARGETGROUP, SCF_TYPE_USTRING) == -1) {
1096 		if (scf_error() == SCF_ERROR_EXISTS) {
1097 			ret = STMF_PS_ERROR_EXISTS;
1098 		} else {
1099 			syslog(LOG_ERR, "transaction property new failed - %s",
1100 			    scf_strerror(scf_error()));
1101 			ret = STMF_PS_ERROR;
1102 		}
1103 		goto out;
1104 	}
1105 
1106 	/*
1107 	 * Set the value for targetGroup
1108 	 */
1109 	if (scf_value_set_ustring(value[i], viewEntry->targetGroup) == -1) {
1110 		syslog(LOG_ERR, "set value failed - %s",
1111 		    scf_strerror(scf_error()));
1112 		ret = STMF_PS_ERROR;
1113 		goto out;
1114 	}
1115 
1116 	/*
1117 	 * Add targetGroup value to the transaction
1118 	 */
1119 	if (scf_entry_add_value(entry[i], value[i]) == -1) {
1120 		syslog(LOG_ERR, "add value failed - %s",
1121 		    scf_strerror(scf_error()));
1122 		ret = STMF_PS_ERROR;
1123 		goto out;
1124 	}
1125 
1126 	i++;
1127 
1128 	/*
1129 	 * Create the luNbr property
1130 	 */
1131 	if (scf_transaction_property_new(tran, entry[i], STMF_VE_LUNBR,
1132 	    SCF_TYPE_OPAQUE) == -1) {
1133 		if (scf_error() == SCF_ERROR_EXISTS) {
1134 			ret = STMF_PS_ERROR_EXISTS;
1135 		} else {
1136 			syslog(LOG_ERR, "transaction property new failed - %s",
1137 			    scf_strerror(scf_error()));
1138 			ret = STMF_PS_ERROR;
1139 		}
1140 		goto out;
1141 	}
1142 
1143 	/*
1144 	 * Set the luNbr
1145 	 */
1146 	if (scf_value_set_opaque(value[i], (char *)viewEntry->luNbr,
1147 	    sizeof (viewEntry->luNbr)) == -1) {
1148 		syslog(LOG_ERR, "set value failed - %s",
1149 		    scf_strerror(scf_error()));
1150 		ret = STMF_PS_ERROR;
1151 		goto out;
1152 	}
1153 
1154 	/*
1155 	 * Add luNbr to the transaction entry
1156 	 */
1157 	if (scf_entry_add_value(entry[i], value[i]) == -1) {
1158 		syslog(LOG_ERR, "add value failed - %s",
1159 		    scf_strerror(scf_error()));
1160 		ret = STMF_PS_ERROR;
1161 		goto out;
1162 	}
1163 
1164 	/*
1165 	 * Now that we've successfully added the view entry,
1166 	 * update the logical unit property group or create
1167 	 * it if it does not exist
1168 	 */
1169 	ret = iPsAddRemoveLuViewEntry(luPgName, viewEntryPgName, ADD);
1170 
1171 	/*
1172 	 * If we did not add the view entry name to the logical unit,
1173 	 * make sure we do not commit the transaction
1174 	 */
1175 	if (ret != STMF_PS_SUCCESS) {
1176 		goto out;
1177 	}
1178 
1179 	/*
1180 	 * Commit property transaction
1181 	 */
1182 	if ((commitRet = scf_transaction_commit(tran)) != 1) {
1183 		syslog(LOG_ERR, "transaction commit failed - %s",
1184 		    scf_strerror(scf_error()));
1185 		if (commitRet == 0) {
1186 			ret = STMF_PS_ERROR_BUSY;
1187 		} else {
1188 			ret = STMF_PS_ERROR;
1189 		}
1190 	}
1191 
1192 	if (ret != STMF_PS_SUCCESS) {
1193 		/*
1194 		 * If we did not commit, try to remove the view entry name
1195 		 * from the logical unit.
1196 		 * If that fails, we're now inconsistent.
1197 		 */
1198 		backoutRet = iPsAddRemoveLuViewEntry(luPgName, viewEntryPgName,
1199 		    REMOVE);
1200 
1201 		if (backoutRet != STMF_PS_SUCCESS) {
1202 			syslog(LOG_ERR, "remove lu view entry failed"
1203 			    "possible inconsistency - %s",
1204 			    scf_strerror(scf_error()));
1205 		}
1206 		/*
1207 		 * We are still in an error scenario even though the remove
1208 		 * lu view entry succeeded.
1209 		 */
1210 		goto out;
1211 	}
1212 
1213 out:
1214 	/*
1215 	 * Free resources
1216 	 */
1217 	if (handle != NULL) {
1218 		scf_handle_destroy(handle);
1219 	}
1220 	if (svc != NULL) {
1221 		scf_service_destroy(svc);
1222 	}
1223 	/* if there was an error, delete the created pg if one was created */
1224 	if ((ret != STMF_PS_SUCCESS) && createdVePg) {
1225 		if (scf_pg_delete(pg) == -1) {
1226 			syslog(LOG_ERR, "delete VE pg failed - %s",
1227 			    scf_strerror(scf_error()));
1228 		}
1229 	}
1230 	if (pg != NULL) {
1231 		scf_pg_destroy(pg);
1232 	}
1233 	if (tran != NULL) {
1234 		scf_transaction_destroy(tran);
1235 	}
1236 	/*
1237 	 * Free value and entry scf resources
1238 	 */
1239 	if (i > 0) {
1240 		for (j = 0; j < VIEW_ENTRY_STRUCT_CNT; j++) {
1241 			if (value[j] != NULL)
1242 				scf_value_destroy(value[j]);
1243 			if (entry[j] != NULL)
1244 				scf_entry_destroy(entry[j]);
1245 		}
1246 	}
1247 
1248 	return (ret);
1249 }
1250 /*
1251  * psClearProviderData
1252  *
1253  * providerName - name of provider data to clear
1254  */
1255 int
1256 psClearProviderData(char *providerName, int providerType)
1257 {
1258 	scf_handle_t	*handle = NULL;
1259 	scf_service_t	*svc = NULL;
1260 	scf_propertygroup_t	*pg = NULL;
1261 	char pgName[MAXPATHLEN];
1262 	int ret = STMF_PS_SUCCESS;
1263 	boolean_t pgNotFound = B_FALSE;
1264 
1265 	if (providerName == NULL || (providerType != STMF_LU_PROVIDER_TYPE &&
1266 	    providerType != STMF_PORT_PROVIDER_TYPE)) {
1267 		ret = STMF_PS_ERROR_INVALID_ARG;
1268 		goto out;
1269 	}
1270 
1271 	ret = iPsInit(&handle, &svc);
1272 	if (ret != STMF_PS_SUCCESS) {
1273 		goto out;
1274 	}
1275 
1276 	/*
1277 	 * Allocate scf resources
1278 	 */
1279 	if ((pg = scf_pg_create(handle)) == NULL) {
1280 		syslog(LOG_ERR, "scf alloc resource failed - %s",
1281 		    scf_strerror(scf_error()));
1282 		ret = STMF_PS_ERROR;
1283 		goto out;
1284 	}
1285 
1286 	/*
1287 	 * create the property group name
1288 	 */
1289 	(void) snprintf(pgName, sizeof (pgName), "%s%s",
1290 	    STMF_PROVIDER_DATA_PREFIX, providerName);
1291 
1292 	/*
1293 	 * delete provider property group
1294 	 */
1295 	if (scf_service_get_pg(svc, pgName, pg) == -1) {
1296 		if (scf_error() != SCF_ERROR_NOT_FOUND) {
1297 			syslog(LOG_ERR, "get pg failed - %s",
1298 			    scf_strerror(scf_error()));
1299 			ret = STMF_PS_ERROR;
1300 			goto out;
1301 		} else {
1302 			pgNotFound = B_TRUE;
1303 		}
1304 	}
1305 
1306 	if (!pgNotFound && (scf_pg_delete(pg) == -1)) {
1307 		syslog(LOG_ERR, "delete pg failed - %s",
1308 		    scf_strerror(scf_error()));
1309 		ret = STMF_PS_ERROR;
1310 		goto out;
1311 	}
1312 
1313 	if (pgNotFound) {
1314 		ret = STMF_PS_ERROR_NOT_FOUND;
1315 	}
1316 
1317 out:
1318 	/*
1319 	 * Free resources
1320 	 */
1321 	if (handle != NULL) {
1322 		scf_handle_destroy(handle);
1323 	}
1324 	if (svc != NULL) {
1325 		scf_service_destroy(svc);
1326 	}
1327 	if (pg != NULL) {
1328 		scf_pg_destroy(pg);
1329 	}
1330 
1331 	return (ret);
1332 }
1333 
1334 /*
1335  * iPsCreateDeleteGroup
1336  *
1337  * Creates or deletes a group (target or host)
1338  *
1339  * When creating a group, two properties are created. One to hold the group
1340  * name and the other to hold the group members.
1341  *
1342  * pgName - Property group name
1343  * groupName - group name to create
1344  * addRemoveFlag - ADD_GROUP/REMOVE_GROUP
1345  *
1346  * returns:
1347  *  STMF_PS_SUCCESS on success
1348  *  STMF_PS_ERROR_* on failure
1349  */
1350 static int
1351 iPsCreateDeleteGroup(char *pgRefName, char *groupName, int addRemoveFlag)
1352 {
1353 	scf_handle_t	*handle = NULL;
1354 	scf_service_t	*svc = NULL;
1355 	scf_propertygroup_t	*pg = NULL;
1356 	scf_property_t	*prop = NULL;
1357 	scf_iter_t	*propIter = NULL;
1358 	scf_transaction_t   *tran = NULL;
1359 	scf_transaction_entry_t *entry1 = NULL;
1360 	scf_transaction_entry_t *entry2 = NULL;
1361 	scf_value_t *value = NULL;
1362 	uint64_t groupIdx;
1363 	char buf1[MAXNAMELEN];
1364 	char buf2[MAXNAMELEN];
1365 	char tmpbuf[MAXNAMELEN];
1366 	boolean_t found = B_FALSE;
1367 	int ret = STMF_PS_SUCCESS;
1368 	int commitRet;
1369 
1370 	assert(groupName != NULL);
1371 
1372 	ret = iPsInit(&handle, &svc);
1373 	if (ret != STMF_PS_SUCCESS) {
1374 		goto out;
1375 	}
1376 
1377 	/*
1378 	 * Allocate scf resources
1379 	 */
1380 	if (((pg = scf_pg_create(handle)) == NULL) ||
1381 	    ((tran = scf_transaction_create(handle)) == NULL) ||
1382 	    ((entry1 = scf_entry_create(handle)) == NULL) ||
1383 	    ((entry2 = scf_entry_create(handle)) == NULL) ||
1384 	    ((prop = scf_property_create(handle)) == NULL) ||
1385 	    ((propIter = scf_iter_create(handle)) == NULL) ||
1386 	    ((value = scf_value_create(handle)) == NULL)) {
1387 		syslog(LOG_ERR, "scf alloc resource failed - %s",
1388 		    scf_strerror(scf_error()));
1389 		ret = STMF_PS_ERROR;
1390 		goto out;
1391 	}
1392 
1393 	/*
1394 	 * Get the property group being modified
1395 	 */
1396 	if (scf_service_get_pg(svc, pgRefName, pg) == -1) {
1397 		if (scf_error() == SCF_ERROR_NOT_FOUND &&
1398 		    addRemoveFlag == ADD) {
1399 			if (scf_service_add_pg(svc, pgRefName,
1400 			    SCF_GROUP_APPLICATION, 0, pg) == -1) {
1401 				syslog(LOG_ERR, "add pg failed - %s",
1402 				    scf_strerror(scf_error()));
1403 				ret = STMF_PS_ERROR;
1404 			}
1405 		} else if (scf_error() == SCF_ERROR_NOT_FOUND) {
1406 			ret = STMF_PS_ERROR_NOT_FOUND;
1407 		} else {
1408 			syslog(LOG_ERR, "get pg failed - %s",
1409 			    scf_strerror(scf_error()));
1410 			ret = STMF_PS_ERROR;
1411 		}
1412 		if (ret != STMF_PS_SUCCESS) {
1413 			goto out;
1414 		}
1415 	}
1416 
1417 	/*
1418 	 * propIter is the iterator handle
1419 	 */
1420 	if (scf_iter_pg_properties(propIter, pg) == -1) {
1421 		syslog(LOG_ERR, "iter properties failed - %s",
1422 		    scf_strerror(scf_error()));
1423 		ret = STMF_PS_ERROR;
1424 		goto out;
1425 	}
1426 
1427 	/*
1428 	 * Iterate through the group names.
1429 	 * If we find it in the list, it's an error when addRemoveFlag == ADD.
1430 	 */
1431 	while (scf_iter_next_property(propIter, prop) == 1) {
1432 		if (scf_property_get_name(prop, buf1, sizeof (buf1)) == -1) {
1433 			syslog(LOG_ERR, "get name failed - %s",
1434 			    scf_strerror(scf_error()));
1435 			ret = STMF_PS_ERROR;
1436 			break;
1437 		}
1438 		/*
1439 		 * Skip over member list properties
1440 		 */
1441 		if (strstr(buf1, STMF_MEMBER_LIST_SUFFIX)) {
1442 			continue;
1443 		}
1444 		if (scf_property_get_value(prop, value) == -1) {
1445 			syslog(LOG_ERR, "get property value failed - %s",
1446 			    scf_strerror(scf_error()));
1447 			ret = STMF_PS_ERROR;
1448 			break;
1449 		}
1450 		if (scf_value_get_ustring(value, tmpbuf,
1451 		    sizeof (tmpbuf)) == -1) {
1452 			syslog(LOG_ERR, "get ustring failed - %s",
1453 			    scf_strerror(scf_error()));
1454 			ret = STMF_PS_ERROR;
1455 			break;
1456 		}
1457 
1458 		if ((strlen(tmpbuf) == strlen(groupName)) &&
1459 		    bcmp(tmpbuf, groupName, strlen(tmpbuf)) == 0) {
1460 			if (addRemoveFlag == ADD) {
1461 				ret = STMF_PS_ERROR_EXISTS;
1462 			}
1463 			found = B_TRUE;
1464 			/*
1465 			 * buf1 contains the name for REMOVE
1466 			 */
1467 			break;
1468 		}
1469 	}
1470 
1471 	if (ret != STMF_PS_SUCCESS) {
1472 		goto out;
1473 	}
1474 
1475 	scf_value_reset(value);
1476 
1477 	if (!found && addRemoveFlag == REMOVE) {
1478 		ret = STMF_PS_ERROR_NOT_FOUND;
1479 		goto out;
1480 	}
1481 
1482 	/*
1483 	 * If we're adding, we need to create a new property name for the
1484 	 * new group
1485 	 */
1486 	if (addRemoveFlag == ADD) {
1487 		for (groupIdx = 0; groupIdx < GROUP_MAX; groupIdx++) {
1488 			if (snprintf(buf1, sizeof (buf1), "%s-%lld",
1489 			    STMF_GROUP_PREFIX, groupIdx) > sizeof (buf1)) {
1490 				syslog(LOG_ERR,
1491 				    "buffer overflow on property name %s",
1492 				    buf1);
1493 				ret = STMF_PS_ERROR;
1494 				break;
1495 			}
1496 			if (scf_pg_get_property(pg, buf1, prop) == -1) {
1497 				if (scf_error() != SCF_ERROR_NOT_FOUND) {
1498 					syslog(LOG_ERR, "get pg failed - %s",
1499 					    scf_strerror(scf_error()));
1500 					ret = STMF_PS_ERROR;
1501 				}
1502 				break;
1503 			}
1504 		}
1505 	}
1506 
1507 	/*
1508 	 * Now create the new member list property for the new group
1509 	 */
1510 	if (snprintf(buf2, sizeof (buf2), "%s-%s", buf1,
1511 	    STMF_MEMBER_LIST_SUFFIX) > sizeof (buf2)) {
1512 		syslog(LOG_ERR, "buffer overflow on property name %s",
1513 		    buf1);
1514 		ret = STMF_PS_ERROR;
1515 		goto out;
1516 	}
1517 
1518 	/*
1519 	 * buf1 now contains the name of the property if it was found in the
1520 	 * list in the case of delete or the next available property name
1521 	 * in the case of create
1522 	 *
1523 	 * buf2 now contains the member list property name
1524 	 */
1525 	if (scf_transaction_start(tran, pg) == -1) {
1526 		syslog(LOG_ERR, "start transaction failed - %s",
1527 		    scf_strerror(scf_error()));
1528 		ret = STMF_PS_ERROR;
1529 		goto out;
1530 	}
1531 
1532 	if (addRemoveFlag == ADD) {
1533 		/*
1534 		 * Create the property 'group name'
1535 		 * This is the container for the group name
1536 		 */
1537 		if (scf_transaction_property_new(tran, entry1, buf1,
1538 		    SCF_TYPE_USTRING) == -1) {
1539 			syslog(LOG_ERR, "transaction property new failed - %s",
1540 			    scf_strerror(scf_error()));
1541 			ret = STMF_PS_ERROR;
1542 			goto out;
1543 		}
1544 		if (scf_value_set_ustring(value, groupName) == -1) {
1545 			syslog(LOG_ERR, "set ustring failed - %s",
1546 			    scf_strerror(scf_error()));
1547 			ret = STMF_PS_ERROR;
1548 			goto out;
1549 		}
1550 		if (scf_entry_add_value(entry1, value) == -1) {
1551 			syslog(LOG_ERR, "add value failed - %s",
1552 			    scf_strerror(scf_error()));
1553 			ret = STMF_PS_ERROR;
1554 			goto out;
1555 		}
1556 		/*
1557 		 * Create the property 'group list'
1558 		 * This is the container for the group members
1559 		 */
1560 		if (scf_transaction_property_new(tran, entry2, buf2,
1561 		    SCF_TYPE_USTRING) == -1) {
1562 			syslog(LOG_ERR, "transaction property new failed - %s",
1563 			    scf_strerror(scf_error()));
1564 			ret = STMF_PS_ERROR;
1565 			goto out;
1566 		}
1567 	} else {
1568 		/*
1569 		 * Delete the property 'group name'
1570 		 */
1571 		if (scf_transaction_property_delete(tran, entry1, buf1)
1572 		    == -1) {
1573 			syslog(LOG_ERR,
1574 			    "transaction property delete failed - %s",
1575 			    scf_strerror(scf_error()));
1576 			ret = STMF_PS_ERROR;
1577 			goto out;
1578 		}
1579 		/*
1580 		 * Delete the property 'group list'
1581 		 */
1582 		if (scf_transaction_property_delete(tran, entry2, buf2)
1583 		    == -1) {
1584 			syslog(LOG_ERR,
1585 			    "transaction property delete failed - %s",
1586 			    scf_strerror(scf_error()));
1587 			ret = STMF_PS_ERROR;
1588 			goto out;
1589 		}
1590 	}
1591 
1592 	if (ret != STMF_PS_SUCCESS) {
1593 		goto out;
1594 	}
1595 
1596 	if ((commitRet = scf_transaction_commit(tran)) != 1) {
1597 		syslog(LOG_ERR, "transaction commit failed - %s",
1598 		    scf_strerror(scf_error()));
1599 		if (commitRet == 0) {
1600 			ret = STMF_PS_ERROR_BUSY;
1601 		} else {
1602 			ret = STMF_PS_ERROR;
1603 		}
1604 	}
1605 
1606 out:
1607 	/*
1608 	 * Free resources
1609 	 */
1610 	if (handle != NULL) {
1611 		scf_handle_destroy(handle);
1612 	}
1613 	if (svc != NULL) {
1614 		scf_service_destroy(svc);
1615 	}
1616 	if (pg != NULL) {
1617 		scf_pg_destroy(pg);
1618 	}
1619 	if (tran != NULL) {
1620 		scf_transaction_destroy(tran);
1621 	}
1622 	if (entry1 != NULL) {
1623 		scf_entry_destroy(entry1);
1624 	}
1625 	if (entry2 != NULL) {
1626 		scf_entry_destroy(entry2);
1627 	}
1628 	if (prop != NULL) {
1629 		scf_property_destroy(prop);
1630 	}
1631 	if (propIter != NULL) {
1632 		scf_iter_destroy(propIter);
1633 	}
1634 	if (value != NULL) {
1635 		scf_value_destroy(value);
1636 	}
1637 
1638 	return (ret);
1639 }
1640 
1641 /*
1642  * iPsGetGroupList
1643  *
1644  * pgName - Property group name
1645  * groupList - pointer to pointer to stmfGroupList structure. On success,
1646  * contains the list of groups
1647  *
1648  * returns:
1649  *  STMF_PS_SUCCESS on success
1650  *  STMF_PS_ERROR_* on failure
1651  */
1652 static int
1653 iPsGetGroupList(char *pgName, stmfGroupList **groupList)
1654 {
1655 	scf_handle_t	*handle = NULL;
1656 	scf_service_t	*svc = NULL;
1657 	scf_propertygroup_t	*pg = NULL;
1658 	scf_property_t	*prop = NULL;
1659 	scf_iter_t	*propIter = NULL;
1660 	scf_value_t	*value = NULL;
1661 	char buf[MAXNAMELEN];
1662 	int memberCnt = 0;
1663 	int i = 0;
1664 	int ret = STMF_PS_SUCCESS;
1665 
1666 	assert(groupList != NULL);
1667 
1668 	ret = iPsInit(&handle, &svc);
1669 	if (ret != STMF_PS_SUCCESS) {
1670 		goto out;
1671 	}
1672 
1673 	/*
1674 	 * Allocate scf resources
1675 	 */
1676 	if (((pg = scf_pg_create(handle)) == NULL) ||
1677 	    ((prop = scf_property_create(handle)) == NULL) ||
1678 	    ((propIter = scf_iter_create(handle)) == NULL) ||
1679 	    ((value = scf_value_create(handle)) == NULL)) {
1680 		syslog(LOG_ERR, "scf alloc resource failed - %s",
1681 		    scf_strerror(scf_error()));
1682 		ret = STMF_PS_ERROR;
1683 		goto out;
1684 	}
1685 
1686 	if (scf_service_get_pg(svc, pgName, pg) == -1) {
1687 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
1688 			ret = STMF_PS_ERROR_NOT_FOUND;
1689 		} else {
1690 			syslog(LOG_ERR, "get pg failed - %s",
1691 			    scf_strerror(scf_error()));
1692 			ret = STMF_PS_ERROR;
1693 		}
1694 		goto out;
1695 	}
1696 
1697 	/*
1698 	 * propIter is the iterator handle
1699 	 */
1700 	if (scf_iter_pg_properties(propIter, pg) == -1) {
1701 		syslog(LOG_ERR, "iter properties failed - %s",
1702 		    scf_strerror(scf_error()));
1703 		ret = STMF_PS_ERROR;
1704 		goto out;
1705 	}
1706 
1707 	while (scf_iter_next_property(propIter, prop) == 1) {
1708 		if (scf_property_get_name(prop, buf, sizeof (buf)) == -1) {
1709 			syslog(LOG_ERR, "get name failed - %s",
1710 			    scf_strerror(scf_error()));
1711 			ret = STMF_PS_ERROR;
1712 			break;
1713 		}
1714 		/*
1715 		 * Skip over member list properties
1716 		 */
1717 		if (strstr(buf, STMF_MEMBER_LIST_SUFFIX)) {
1718 			continue;
1719 		}
1720 		memberCnt++;
1721 	}
1722 
1723 	/*
1724 	 * propIter is the iterator handle
1725 	 */
1726 	if (scf_iter_pg_properties(propIter, pg) == -1) {
1727 		syslog(LOG_ERR, "iter properties failed - %s",
1728 		    scf_strerror(scf_error()));
1729 		ret = STMF_PS_ERROR;
1730 		goto out;
1731 	}
1732 
1733 	*groupList = (stmfGroupList *)calloc(1, sizeof (stmfGroupList) +
1734 	    memberCnt * sizeof (stmfGroupName));
1735 
1736 	if (*groupList == NULL) {
1737 		ret = STMF_PS_ERROR_NOMEM;
1738 		goto out;
1739 	}
1740 
1741 	/*
1742 	 * In order to get a list of groups, simply get all of the
1743 	 * properties that are not member list properties, i.e. the group
1744 	 * name properties.
1745 	 * It's possible for this list to grow beyond what was originally
1746 	 * read so just ensure we're not writing beyond our allocated buffer
1747 	 * by ensuring i < memberCnt
1748 	 */
1749 	while ((scf_iter_next_property(propIter, prop) == 1) &&
1750 	    (i < memberCnt)) {
1751 		if (scf_property_get_name(prop, buf, sizeof (buf)) == -1) {
1752 			syslog(LOG_ERR, "get name failed - %s",
1753 			    scf_strerror(scf_error()));
1754 			ret = STMF_PS_ERROR;
1755 			break;
1756 		}
1757 		/*
1758 		 * Skip over member list properties
1759 		 */
1760 		if (strstr(buf, STMF_MEMBER_LIST_SUFFIX)) {
1761 			continue;
1762 		}
1763 		if (scf_property_get_value(prop, value) == -1) {
1764 			syslog(LOG_ERR, "get property value failed - %s",
1765 			    scf_strerror(scf_error()));
1766 			ret = STMF_PS_ERROR;
1767 			break;
1768 		}
1769 		if (scf_value_get_ustring(value, buf, sizeof (buf)) == -1) {
1770 			syslog(LOG_ERR, "get ustring failed - %s",
1771 			    scf_strerror(scf_error()));
1772 			ret = STMF_PS_ERROR;
1773 			break;
1774 		}
1775 		bcopy(buf, (*groupList)->name[i++], strlen(buf));
1776 		(*groupList)->cnt++;
1777 	}
1778 
1779 	if (ret != STMF_PS_SUCCESS) {
1780 		free(*groupList);
1781 		goto out;
1782 	}
1783 
1784 out:
1785 	/*
1786 	 * Free resources
1787 	 */
1788 	if (handle != NULL) {
1789 		scf_handle_destroy(handle);
1790 	}
1791 	if (svc != NULL) {
1792 		scf_service_destroy(svc);
1793 	}
1794 	if (pg != NULL) {
1795 		scf_pg_destroy(pg);
1796 	}
1797 	if (propIter != NULL) {
1798 		scf_iter_destroy(propIter);
1799 	}
1800 	if (prop != NULL) {
1801 		scf_property_destroy(prop);
1802 	}
1803 	if (value != NULL) {
1804 		scf_value_destroy(value);
1805 	}
1806 
1807 	return (ret);
1808 }
1809 
1810 /*
1811  * iPsGetGroupMemberList
1812  *
1813  * pgName - Property group name
1814  * groupName - group name (host group or target group)
1815  * groupMemberList - pointer to pointer to stmfGroupProperties structure. On
1816  * success, contains the list of group members
1817  *
1818  * returns:
1819  *  STMF_PS_SUCCESS on success
1820  *  STMF_PS_ERROR_* on failure
1821  */
1822 static int
1823 iPsGetGroupMemberList(char *pgName, char *groupName,
1824     stmfGroupProperties **groupMemberList)
1825 {
1826 	scf_handle_t	*handle = NULL;
1827 	scf_service_t	*svc = NULL;
1828 	scf_propertygroup_t	*pg = NULL;
1829 	scf_property_t	*prop = NULL;
1830 	scf_value_t	*valueLookup = NULL;
1831 	scf_iter_t	*valueIter = NULL;
1832 	int i = 0;
1833 	int memberCnt;
1834 	int len;
1835 	int ret = STMF_PS_SUCCESS;
1836 	char buf[MAXNAMELEN];
1837 
1838 	assert(pgName != NULL && groupName != NULL);
1839 
1840 	/*
1841 	 * init the service handle
1842 	 */
1843 	ret = iPsInit(&handle, &svc);
1844 	if (ret != STMF_PS_SUCCESS) {
1845 		goto out;
1846 	}
1847 
1848 	/*
1849 	 * Allocate scf resources
1850 	 */
1851 	if (((pg = scf_pg_create(handle)) == NULL) ||
1852 	    ((prop = scf_property_create(handle)) == NULL) ||
1853 	    ((valueIter = scf_iter_create(handle)) == NULL) ||
1854 	    ((valueLookup = scf_value_create(handle)) == NULL)) {
1855 		syslog(LOG_ERR, "scf alloc resource failed - %s",
1856 		    scf_strerror(scf_error()));
1857 		ret = STMF_PS_ERROR;
1858 		goto out;
1859 	}
1860 
1861 	/*
1862 	 * get the service property group handle
1863 	 */
1864 	if (scf_service_get_pg(svc, pgName, pg) == -1) {
1865 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
1866 			ret = STMF_PS_ERROR_NOT_FOUND;
1867 		} else {
1868 			syslog(LOG_ERR, "get pg failed - %s",
1869 			    scf_strerror(scf_error()));
1870 			ret = STMF_PS_ERROR;
1871 		}
1872 		goto out;
1873 	}
1874 
1875 	/*
1876 	 * Get the property handle
1877 	 * based on the target or host group name
1878 	 */
1879 	if (scf_pg_get_property(pg, groupName, prop) == -1) {
1880 		syslog(LOG_ERR, "get property failed - %s",
1881 		    scf_strerror(scf_error()));
1882 		ret = STMF_PS_ERROR;
1883 		goto out;
1884 	}
1885 
1886 	/*
1887 	 * valueIter is the iterator handle
1888 	 */
1889 	if (scf_iter_property_values(valueIter, prop) == -1) {
1890 		syslog(LOG_ERR, "iter value failed - %s",
1891 		    scf_strerror(scf_error()));
1892 		ret = STMF_PS_ERROR;
1893 		goto out;
1894 	}
1895 
1896 	while (scf_iter_next_value(valueIter, valueLookup) == 1) {
1897 		if (scf_value_get_ustring(valueLookup, buf, MAXNAMELEN) == -1) {
1898 			syslog(LOG_ERR, "iter value failed - %s",
1899 			    scf_strerror(scf_error()));
1900 			ret = STMF_PS_ERROR;
1901 			break;
1902 		}
1903 		i++;
1904 	}
1905 
1906 	/*
1907 	 * valueIter is the iterator handle
1908 	 */
1909 	if (scf_iter_property_values(valueIter, prop) == -1) {
1910 		syslog(LOG_ERR, "iter value failed - %s",
1911 		    scf_strerror(scf_error()));
1912 		ret = STMF_PS_ERROR;
1913 		goto out;
1914 	}
1915 
1916 	memberCnt = i;
1917 
1918 	*groupMemberList = (stmfGroupProperties *)calloc(1,
1919 	    sizeof (stmfGroupProperties) + memberCnt * sizeof (stmfDevid));
1920 	if (*groupMemberList == NULL) {
1921 		ret = STMF_PS_ERROR_NOMEM;
1922 		goto out;
1923 	}
1924 
1925 	i = 0;
1926 	while ((scf_iter_next_value(valueIter, valueLookup) == 1) &&
1927 	    (i < memberCnt)) {
1928 		if ((len = scf_value_get_ustring(valueLookup, buf, MAXNAMELEN))
1929 		    == -1) {
1930 			syslog(LOG_ERR, "iter value failed - %s",
1931 			    scf_strerror(scf_error()));
1932 			ret = STMF_PS_ERROR;
1933 			break;
1934 		}
1935 		if (len < sizeof (stmfDevid) - 1) {
1936 			(*groupMemberList)->name[i].identLength = len;
1937 			bcopy(buf,
1938 			    (*groupMemberList)->name[i++].ident, len);
1939 			(*groupMemberList)->cnt++;
1940 		} else {
1941 			ret = STMF_PS_ERROR;
1942 			break;
1943 		}
1944 	}
1945 
1946 	if (ret != STMF_PS_SUCCESS) {
1947 		free(*groupMemberList);
1948 		goto out;
1949 	}
1950 
1951 out:
1952 	/*
1953 	 * Free resources
1954 	 */
1955 	if (handle != NULL) {
1956 		scf_handle_destroy(handle);
1957 	}
1958 	if (svc != NULL) {
1959 		scf_service_destroy(svc);
1960 	}
1961 	if (pg != NULL) {
1962 		scf_pg_destroy(pg);
1963 	}
1964 	if (prop != NULL) {
1965 		scf_property_destroy(prop);
1966 	}
1967 	if (valueLookup != NULL) {
1968 		scf_value_destroy(valueLookup);
1969 	}
1970 	if (valueIter != NULL) {
1971 		scf_iter_destroy(valueIter);
1972 	}
1973 
1974 	return (ret);
1975 }
1976 
1977 int
1978 psGetServicePersist(uint8_t *persistType)
1979 {
1980 	scf_handle_t	*handle = NULL;
1981 	scf_service_t	*svc = NULL;
1982 	int ret;
1983 
1984 
1985 	ret = iPsInit(&handle, &svc);
1986 	if (ret != STMF_PS_SUCCESS) {
1987 		return (STMF_PS_ERROR);
1988 	}
1989 
1990 	ret = iPsGetSetPersistType(persistType, handle, svc, GET);
1991 
1992 	/*
1993 	 * Free resources
1994 	 */
1995 	if (handle != NULL) {
1996 		scf_handle_destroy(handle);
1997 	}
1998 	if (svc != NULL) {
1999 		scf_service_destroy(svc);
2000 	}
2001 	return (ret);
2002 }
2003 
2004 int
2005 psSetServicePersist(uint8_t persistType)
2006 {
2007 	scf_handle_t	*handle = NULL;
2008 	scf_service_t	*svc = NULL;
2009 	int ret;
2010 
2011 
2012 	ret = iPsInit(&handle, &svc);
2013 	if (ret != STMF_PS_SUCCESS) {
2014 		return (STMF_PS_ERROR);
2015 	}
2016 
2017 	ret = iPsGetSetPersistType(&persistType, handle, svc, SET);
2018 
2019 	/*
2020 	 * Free resources
2021 	 */
2022 	if (handle != NULL) {
2023 		scf_handle_destroy(handle);
2024 	}
2025 	if (svc != NULL) {
2026 		scf_service_destroy(svc);
2027 	}
2028 	return (ret);
2029 }
2030 
2031 static int
2032 iPsGetSetPersistType(uint8_t *persistType, scf_handle_t *handle,
2033 scf_service_t *svc, int getSet)
2034 {
2035 	scf_propertygroup_t	*pg = NULL;
2036 	scf_property_t	*prop = NULL;
2037 	scf_value_t	*value = NULL;
2038 	scf_transaction_t *tran = NULL;
2039 	scf_transaction_entry_t *entry = NULL;
2040 	char iPersistTypeGet[MAXNAMELEN] = {0};
2041 	char *iPersistType;
2042 	int ret = STMF_PS_SUCCESS;
2043 	int commitRet;
2044 
2045 	if (((pg = scf_pg_create(handle)) == NULL) ||
2046 	    ((prop = scf_property_create(handle)) == NULL) ||
2047 	    ((entry = scf_entry_create(handle)) == NULL) ||
2048 	    ((tran = scf_transaction_create(handle)) == NULL) ||
2049 	    ((value = scf_value_create(handle)) == NULL)) {
2050 		syslog(LOG_ERR, "scf alloc resource failed - %s",
2051 		    scf_strerror(scf_error()));
2052 		ret = STMF_PS_ERROR;
2053 		goto out;
2054 	}
2055 
2056 	if (getSet == GET) {
2057 		/* set to default */
2058 		*persistType = STMF_PERSIST_SMF;
2059 		iPersistType = STMF_PS_PERSIST_SMF;
2060 	}
2061 
2062 	if (getSet == SET) {
2063 		if (*persistType == STMF_PERSIST_SMF) {
2064 			iPersistType = STMF_PS_PERSIST_SMF;
2065 		} else if (*persistType == STMF_PERSIST_NONE) {
2066 			iPersistType = STMF_PS_PERSIST_NONE;
2067 		} else {
2068 			ret = STMF_PS_ERROR;
2069 			goto out;
2070 		}
2071 	}
2072 
2073 	/*
2074 	 * get stmf data property group
2075 	 */
2076 	if (scf_service_get_pg(svc, STMF_DATA_GROUP, pg) == -1) {
2077 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
2078 			ret = STMF_PS_ERROR_NOT_FOUND;
2079 		} else {
2080 			syslog(LOG_ERR, "get pg failed - %s",
2081 			    scf_strerror(scf_error()));
2082 			ret = STMF_PS_ERROR;
2083 		}
2084 		goto out;
2085 	}
2086 
2087 	/* find persistence property */
2088 	/*
2089 	 * Get the persistence property
2090 	 */
2091 	if (scf_pg_get_property(pg, STMF_PERSIST_TYPE, prop) == -1) {
2092 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
2093 			ret = STMF_PS_ERROR_NOT_FOUND;
2094 		} else {
2095 			syslog(LOG_ERR, "get property failed - %s",
2096 			    scf_strerror(scf_error()));
2097 			ret = STMF_PS_ERROR;
2098 			goto out;
2099 		}
2100 	}
2101 
2102 	/* no persist property found */
2103 	if (ret == STMF_PS_ERROR_NOT_FOUND || getSet == SET) {
2104 		/*
2105 		 * If we have no persistType property, go ahead
2106 		 * and create it with the user specified value or
2107 		 * the default value.
2108 		 */
2109 		/*
2110 		 * Begin the transaction
2111 		 */
2112 		if (scf_transaction_start(tran, pg) == -1) {
2113 			syslog(LOG_ERR, "start transaction failed - %s",
2114 			    scf_strerror(scf_error()));
2115 			ret = STMF_PS_ERROR;
2116 			goto out;
2117 		}
2118 
2119 		/* is this a SET or GET w/error? */
2120 		if (ret) {
2121 			if (scf_transaction_property_new(tran, entry,
2122 			    STMF_PERSIST_TYPE, SCF_TYPE_ASTRING) == -1) {
2123 				syslog(LOG_ERR,
2124 				    "transaction property new failed - %s",
2125 				    scf_strerror(scf_error()));
2126 				ret = STMF_PS_ERROR;
2127 				goto out;
2128 			}
2129 		} else {
2130 			if (scf_transaction_property_change(tran, entry,
2131 			    STMF_PERSIST_TYPE, SCF_TYPE_ASTRING) == -1) {
2132 				syslog(LOG_ERR,
2133 				    "transaction property change failed - %s",
2134 				    scf_strerror(scf_error()));
2135 				ret = STMF_PS_ERROR;
2136 				goto out;
2137 			}
2138 		}
2139 
2140 		/*
2141 		 * set the persist type
2142 		 */
2143 		if (scf_value_set_astring(value, iPersistType) == -1) {
2144 			syslog(LOG_ERR, "set value failed - %s",
2145 			    scf_strerror(scf_error()));
2146 			ret = STMF_PS_ERROR;
2147 			goto out;
2148 		}
2149 
2150 		/*
2151 		 * add the value to the transaction
2152 		 */
2153 		if (scf_entry_add_value(entry, value) == -1) {
2154 			syslog(LOG_ERR, "add value failed - %s",
2155 			    scf_strerror(scf_error()));
2156 			ret = STMF_PS_ERROR;
2157 			goto out;
2158 		}
2159 		if ((commitRet = scf_transaction_commit(tran)) != 1) {
2160 			syslog(LOG_ERR, "transaction commit failed - %s",
2161 			    scf_strerror(scf_error()));
2162 			if (commitRet == 0) {
2163 				ret = STMF_PS_ERROR_BUSY;
2164 			} else {
2165 				ret = STMF_PS_ERROR;
2166 			}
2167 			goto out;
2168 		}
2169 		/* reset return value */
2170 		ret = STMF_PS_SUCCESS;
2171 	} else if (getSet == GET) {
2172 		/* get the persist property */
2173 		if (scf_property_get_value(prop, value) == -1) {
2174 			syslog(LOG_ERR, "get property value failed - %s",
2175 			    scf_strerror(scf_error()));
2176 			ret = STMF_PS_ERROR;
2177 			goto out;
2178 		}
2179 
2180 		/*
2181 		 * Get the value of the persist property
2182 		 */
2183 		if (scf_value_get_astring(value, iPersistTypeGet, MAXNAMELEN)
2184 		    == -1) {
2185 			syslog(LOG_ERR, "get count value failed - %s",
2186 			    scf_strerror(scf_error()));
2187 			ret = STMF_PS_ERROR;
2188 			goto out;
2189 		}
2190 	}
2191 
2192 	if (getSet == GET) {
2193 		if (strcmp(iPersistTypeGet, STMF_PS_PERSIST_NONE) == 0) {
2194 			*persistType = STMF_PERSIST_NONE;
2195 		} else if (strcmp(iPersistTypeGet, STMF_PS_PERSIST_SMF) == 0) {
2196 			*persistType = STMF_PERSIST_SMF;
2197 		} else {
2198 			ret = STMF_PS_ERROR;
2199 			goto out;
2200 		}
2201 	}
2202 out:
2203 	/*
2204 	 * Free resources.
2205 	 * handle and svc should not be free'd here. They're
2206 	 * free'd elsewhere
2207 	 */
2208 	if (pg != NULL) {
2209 		scf_pg_destroy(pg);
2210 	}
2211 	if (prop != NULL) {
2212 		scf_property_destroy(prop);
2213 	}
2214 	if (entry != NULL) {
2215 		scf_entry_destroy(entry);
2216 	}
2217 	if (tran != NULL) {
2218 		scf_transaction_destroy(tran);
2219 	}
2220 	if (value != NULL) {
2221 		scf_value_destroy(value);
2222 	}
2223 	return (ret);
2224 }
2225 
2226 /*
2227  * Initialize scf stmf service access
2228  * handle - returned handle
2229  * service - returned service handle
2230  *
2231  * Both handle and service must be destroyed by the caller
2232  */
2233 static int
2234 iPsInit(scf_handle_t **handle, scf_service_t **service)
2235 {
2236 	scf_scope_t	*scope = NULL;
2237 	uint64_t version;
2238 	int ret;
2239 
2240 	assert(handle != NULL && service != NULL);
2241 
2242 	if ((*handle = scf_handle_create(SCF_VERSION)) == NULL) {
2243 		syslog(LOG_ERR, "scf_handle_create failed - %s",
2244 		    scf_strerror(scf_error()));
2245 		ret = STMF_PS_ERROR;
2246 		goto err;
2247 	}
2248 
2249 	if (scf_handle_bind(*handle) == -1) {
2250 		syslog(LOG_ERR, "scf_handle_bind failed - %s",
2251 		    scf_strerror(scf_error()));
2252 		ret = STMF_PS_ERROR;
2253 		goto err;
2254 	}
2255 
2256 	if ((*service = scf_service_create(*handle)) == NULL) {
2257 		syslog(LOG_ERR, "scf_service_create failed - %s",
2258 		    scf_strerror(scf_error()));
2259 		ret = STMF_PS_ERROR;
2260 		goto err;
2261 	}
2262 
2263 	if ((scope = scf_scope_create(*handle)) == NULL) {
2264 		syslog(LOG_ERR, "scf_scope_create failed - %s",
2265 		    scf_strerror(scf_error()));
2266 		ret = STMF_PS_ERROR;
2267 		goto err;
2268 	}
2269 
2270 	if (scf_handle_get_scope(*handle, SCF_SCOPE_LOCAL, scope) == -1) {
2271 		syslog(LOG_ERR, "scf_handle_get_scope failed - %s",
2272 		    scf_strerror(scf_error()));
2273 		ret = STMF_PS_ERROR;
2274 		goto err;
2275 	}
2276 
2277 	if (scf_scope_get_service(scope, STMF_SERVICE, *service) == -1) {
2278 		syslog(LOG_ERR, "scf_scope_get_service failed - %s",
2279 		    scf_strerror(scf_error()));
2280 		ret = STMF_PS_ERROR_SERVICE_NOT_FOUND;
2281 		goto err;
2282 	}
2283 
2284 
2285 	/*
2286 	 * Get and check the version number
2287 	 */
2288 	ret = iPsGetServiceVersion(&version, *handle, *service);
2289 	if (ret != STMF_PS_SUCCESS) {
2290 		goto err;
2291 	}
2292 
2293 	if (version != STMF_SMF_VERSION) {
2294 		ret = STMF_PS_ERROR_VERSION_MISMATCH;
2295 		goto err;
2296 	}
2297 
2298 	/* we only need destroy the scope here */
2299 	scf_scope_destroy(scope);
2300 
2301 	return (STMF_PS_SUCCESS);
2302 
2303 err:
2304 	if (*handle != NULL) {
2305 		scf_handle_destroy(*handle);
2306 	}
2307 	if (*service != NULL) {
2308 		scf_service_destroy(*service);
2309 		*service = NULL;
2310 	}
2311 	if (scope != NULL) {
2312 		scf_scope_destroy(scope);
2313 	}
2314 	return (ret);
2315 }
2316 
2317 
2318 /*
2319  * called by iPsInit only
2320  * iPsGetServiceVersion
2321  */
2322 static int
2323 iPsGetServiceVersion(uint64_t *version, scf_handle_t *handle,
2324 scf_service_t *svc)
2325 {
2326 	scf_propertygroup_t	*pg = NULL;
2327 	scf_property_t	*prop = NULL;
2328 	scf_value_t	*value = NULL;
2329 	scf_transaction_t *tran = NULL;
2330 	scf_transaction_entry_t *entry = NULL;
2331 	int ret = STMF_PS_SUCCESS;
2332 	int commitRet;
2333 
2334 	if (((pg = scf_pg_create(handle)) == NULL) ||
2335 	    ((prop = scf_property_create(handle)) == NULL) ||
2336 	    ((entry = scf_entry_create(handle)) == NULL) ||
2337 	    ((tran = scf_transaction_create(handle)) == NULL) ||
2338 	    ((value = scf_value_create(handle)) == NULL)) {
2339 		syslog(LOG_ERR, "scf alloc resource failed - %s",
2340 		    scf_strerror(scf_error()));
2341 		ret = STMF_PS_ERROR;
2342 		goto out;
2343 	}
2344 
2345 	*version = STMF_SMF_VERSION;
2346 
2347 	/*
2348 	 * get stmf data property group
2349 	 */
2350 	if (scf_service_get_pg(svc, STMF_DATA_GROUP, pg) == -1) {
2351 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
2352 			ret = STMF_PS_ERROR_NOT_FOUND;
2353 		} else {
2354 			syslog(LOG_ERR, "get pg failed - %s",
2355 			    scf_strerror(scf_error()));
2356 			ret = STMF_PS_ERROR;
2357 			goto out;
2358 		}
2359 	}
2360 
2361 	/* create the group */
2362 	if (ret == STMF_PS_ERROR_NOT_FOUND) {
2363 		/*
2364 		 * create the property group.
2365 		 */
2366 		if (scf_service_add_pg(svc, STMF_DATA_GROUP,
2367 		    SCF_GROUP_APPLICATION, 0, pg) == -1) {
2368 			syslog(LOG_ERR, "add pg failed - %s",
2369 			    scf_strerror(scf_error()));
2370 			ret = STMF_PS_ERROR;
2371 			goto out;
2372 		}
2373 		/* reset return value */
2374 		ret = STMF_PS_SUCCESS;
2375 	}
2376 
2377 	/* find version property */
2378 	/*
2379 	 * Get the version property
2380 	 */
2381 	if (scf_pg_get_property(pg, STMF_VERSION_NAME, prop) == -1) {
2382 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
2383 			ret = STMF_PS_ERROR_NOT_FOUND;
2384 		} else {
2385 			syslog(LOG_ERR, "get property failed - %s",
2386 			    scf_strerror(scf_error()));
2387 			ret = STMF_PS_ERROR;
2388 			goto out;
2389 		}
2390 	}
2391 
2392 	/* no version property found */
2393 	if (ret == STMF_PS_ERROR_NOT_FOUND) {
2394 		/*
2395 		 * If we have no version property, go ahead
2396 		 * and create it. We're obviously making an assumption
2397 		 * here that someone did not delete the existing property
2398 		 * and that this is the initial set and the initial call
2399 		 * to iPsInit.
2400 		 * If they did delete it, this will simply plant this
2401 		 * library's version on this service. That may or may not be
2402 		 * correct and we have no way of determining that.
2403 		 */
2404 		/*
2405 		 * Begin the transaction
2406 		 */
2407 		if (scf_transaction_start(tran, pg) == -1) {
2408 			syslog(LOG_ERR, "start transaction failed - %s",
2409 			    scf_strerror(scf_error()));
2410 			ret = STMF_PS_ERROR;
2411 			goto out;
2412 		}
2413 
2414 		if (scf_transaction_property_new(tran, entry,
2415 		    STMF_VERSION_NAME, SCF_TYPE_COUNT) == -1) {
2416 			syslog(LOG_ERR,
2417 			    "transaction property new failed - %s",
2418 			    scf_strerror(scf_error()));
2419 			ret = STMF_PS_ERROR;
2420 			goto out;
2421 		}
2422 
2423 		/*
2424 		 * set the version number
2425 		 */
2426 		scf_value_set_count(value, *version);
2427 
2428 		/*
2429 		 * add the value to the transaction
2430 		 */
2431 		if (scf_entry_add_value(entry, value) == -1) {
2432 			syslog(LOG_ERR, "add value failed - %s",
2433 			    scf_strerror(scf_error()));
2434 			ret = STMF_PS_ERROR;
2435 			goto out;
2436 		}
2437 		if ((commitRet = scf_transaction_commit(tran)) != 1) {
2438 			syslog(LOG_ERR, "transaction commit failed - %s",
2439 			    scf_strerror(scf_error()));
2440 			if (commitRet == 0) {
2441 				ret = STMF_PS_ERROR_BUSY;
2442 			} else {
2443 				ret = STMF_PS_ERROR;
2444 			}
2445 			goto out;
2446 		}
2447 		/* reset return value */
2448 		ret = STMF_PS_SUCCESS;
2449 	} else {
2450 		/* get the version property */
2451 		if (scf_pg_get_property(pg, STMF_VERSION_NAME, prop) == -1) {
2452 			syslog(LOG_ERR, "get property failed - %s",
2453 			    scf_strerror(scf_error()));
2454 			ret = STMF_PS_ERROR;
2455 			goto out;
2456 		}
2457 
2458 		if (scf_property_get_value(prop, value) == -1) {
2459 			syslog(LOG_ERR, "get property value failed - %s",
2460 			    scf_strerror(scf_error()));
2461 			ret = STMF_PS_ERROR;
2462 			goto out;
2463 		}
2464 
2465 		/*
2466 		 * Get the actual value of the view entry count property
2467 		 */
2468 		if (scf_value_get_count(value, version) == -1) {
2469 			syslog(LOG_ERR, "get count value failed - %s",
2470 			    scf_strerror(scf_error()));
2471 			ret = STMF_PS_ERROR;
2472 			goto out;
2473 		}
2474 	}
2475 
2476 out:
2477 	/*
2478 	 * Free resources.
2479 	 * handle and svc should not be free'd here. They're
2480 	 * free'd elsewhere
2481 	 */
2482 	if (pg != NULL) {
2483 		scf_pg_destroy(pg);
2484 	}
2485 	if (prop != NULL) {
2486 		scf_property_destroy(prop);
2487 	}
2488 	if (entry != NULL) {
2489 		scf_entry_destroy(entry);
2490 	}
2491 	if (tran != NULL) {
2492 		scf_transaction_destroy(tran);
2493 	}
2494 	if (value != NULL) {
2495 		scf_value_destroy(value);
2496 	}
2497 	return (ret);
2498 }
2499 
2500 
2501 
2502 /*
2503  * iPsGetActualGroupName
2504  *
2505  * pgName - Property group name
2506  * groupName - requested group name
2507  * actualName - actual group name to reference (len must be >= MAXNAMELEN)
2508  *
2509  * returns:
2510  *  STMF_PS_SUCCESS on success
2511  *  STMF_PS_ERROR_* on failure
2512  */
2513 static int
2514 iPsGetActualGroupName(char *pgName, char *groupName, char *actualName)
2515 {
2516 	scf_handle_t	*handle = NULL;
2517 	scf_service_t	*svc = NULL;
2518 	scf_propertygroup_t	*pg = NULL;
2519 	scf_property_t	*prop = NULL;
2520 	scf_iter_t	*propIter = NULL;
2521 	scf_value_t	*value = NULL;
2522 	char buf[MAXNAMELEN];
2523 	int ret;
2524 
2525 	ret = iPsInit(&handle, &svc);
2526 	if (ret != STMF_PS_SUCCESS) {
2527 		goto out;
2528 	}
2529 
2530 	/*
2531 	 * Allocate scf resources
2532 	 */
2533 	if (((pg = scf_pg_create(handle)) == NULL) ||
2534 	    ((prop = scf_property_create(handle)) == NULL) ||
2535 	    ((propIter = scf_iter_create(handle)) == NULL) ||
2536 	    ((value = scf_value_create(handle)) == NULL)) {
2537 		syslog(LOG_ERR, "scf alloc resource failed - %s",
2538 		    scf_strerror(scf_error()));
2539 		ret = STMF_PS_ERROR;
2540 		goto out;
2541 	}
2542 
2543 	/*
2544 	 * get group list property group
2545 	 */
2546 	if (scf_service_get_pg(svc, pgName, pg) == -1) {
2547 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
2548 			ret = STMF_PS_ERROR_GROUP_NOT_FOUND;
2549 		} else {
2550 			syslog(LOG_ERR, "get pg failed - %s",
2551 			    scf_strerror(scf_error()));
2552 			ret = STMF_PS_ERROR;
2553 		}
2554 		goto out;
2555 	}
2556 
2557 	/*
2558 	 * propIter is the iterator handle
2559 	 */
2560 	if (scf_iter_pg_properties(propIter, pg) == -1) {
2561 		syslog(LOG_ERR, "iter properties failed - %s",
2562 		    scf_strerror(scf_error()));
2563 		ret = STMF_PS_ERROR;
2564 		goto out;
2565 	}
2566 
2567 	/*
2568 	 * Iterate through group properties searching for the requested
2569 	 * group name. When we find it, we need to get the property name
2570 	 * since it refers to the actual group name.
2571 	 */
2572 
2573 	/* initialize to not found */
2574 	ret = STMF_PS_ERROR_GROUP_NOT_FOUND;
2575 	while (scf_iter_next_property(propIter, prop) == 1) {
2576 		if (scf_property_get_name(prop, actualName, MAXNAMELEN) == -1) {
2577 			syslog(LOG_ERR, "get name failed - %s",
2578 			    scf_strerror(scf_error()));
2579 			ret = STMF_PS_ERROR;
2580 			break;
2581 		}
2582 		/*
2583 		 * Skip over non-member list properties
2584 		 */
2585 		if (strstr(actualName, STMF_MEMBER_LIST_SUFFIX)) {
2586 			continue;
2587 		}
2588 		if (scf_property_get_value(prop, value) == -1) {
2589 			syslog(LOG_ERR, "get property value failed - %s",
2590 			    scf_strerror(scf_error()));
2591 			ret = STMF_PS_ERROR;
2592 			break;
2593 		}
2594 		if (scf_value_get_ustring(value, buf, sizeof (buf)) == -1) {
2595 			syslog(LOG_ERR, "get ustring failed - %s",
2596 			    scf_strerror(scf_error()));
2597 			ret = STMF_PS_ERROR;
2598 			break;
2599 		}
2600 
2601 		/*
2602 		 * When we find a match, set success and break
2603 		 */
2604 		if ((strlen(buf) == strlen(groupName)) &&
2605 		    bcmp(buf, groupName, strlen(buf)) == 0) {
2606 			ret = STMF_PS_SUCCESS;
2607 			break;
2608 		}
2609 	}
2610 
2611 	/*
2612 	 * if we didn't find it, ret is set to STMF_PS_ERROR_GROUP_NOT_FOUND
2613 	 */
2614 
2615 out:
2616 	/*
2617 	 * Free resources
2618 	 */
2619 	if (handle != NULL) {
2620 		scf_handle_destroy(handle);
2621 	}
2622 	if (svc != NULL) {
2623 		scf_service_destroy(svc);
2624 	}
2625 	if (pg != NULL) {
2626 		scf_pg_destroy(pg);
2627 	}
2628 	if (propIter != NULL) {
2629 		scf_iter_destroy(propIter);
2630 	}
2631 	if (prop != NULL) {
2632 		scf_property_destroy(prop);
2633 	}
2634 	if (value != NULL) {
2635 		scf_value_destroy(value);
2636 	}
2637 
2638 	return (ret);
2639 }
2640 
2641 /*
2642  * psAddHostGroupMember
2643  *
2644  * Add a host group member to a host group,
2645  *
2646  * Input: groupName - name of group to which the member is added
2647  *        memberName - name of group member to add
2648  */
2649 int
2650 psAddHostGroupMember(char *groupName, char *memberName)
2651 {
2652 	int ret;
2653 	char groupPropListName[MAXNAMELEN];
2654 	char groupPropName[MAXNAMELEN];
2655 
2656 	ret = iPsGetActualGroupName(STMF_HOST_GROUPS, groupName,
2657 	    groupPropName);
2658 	if (ret != STMF_PS_SUCCESS) {
2659 		return (ret);
2660 	}
2661 
2662 	if (snprintf(groupPropListName, sizeof (groupPropListName),
2663 	    "%s-%s", groupPropName, STMF_MEMBER_LIST_SUFFIX) >
2664 	    sizeof (groupPropListName)) {
2665 		syslog(LOG_ERR, "buffer overflow on property name %s",
2666 		    groupPropName);
2667 		return (STMF_PS_ERROR);
2668 	}
2669 
2670 	return (iPsAddRemoveGroupMember(STMF_HOST_GROUPS, groupPropListName,
2671 	    memberName, ADD));
2672 }
2673 
2674 /*
2675  * psAddTargetGroupMember
2676  *
2677  * Add a target port group member to a target group
2678  *
2679  * Input: groupName - name of group to which the member is added
2680  *        memberName - name of group member to add. Must be nul terminated.
2681  */
2682 int
2683 psAddTargetGroupMember(char *groupName, char *memberName)
2684 {
2685 	int ret;
2686 	char groupPropListName[MAXNAMELEN];
2687 	char groupPropName[MAXNAMELEN];
2688 
2689 	ret = iPsGetActualGroupName(STMF_TARGET_GROUPS, groupName,
2690 	    groupPropName);
2691 	if (ret != STMF_PS_SUCCESS) {
2692 		return (ret);
2693 	}
2694 
2695 	if (snprintf(groupPropListName, sizeof (groupPropListName),
2696 	    "%s-%s", groupPropName, STMF_MEMBER_LIST_SUFFIX) >
2697 	    sizeof (groupPropListName)) {
2698 		syslog(LOG_ERR, "buffer overflow on property name %s",
2699 		    groupPropName);
2700 		return (STMF_PS_ERROR);
2701 	}
2702 
2703 	return (iPsAddRemoveGroupMember(STMF_TARGET_GROUPS, groupPropListName,
2704 	    memberName, ADD));
2705 }
2706 
2707 
2708 /*
2709  * psAddViewEntry
2710  *
2711  * luGuid - logical unit identifier
2712  * viewEntry - pointer to viewEntry allocated by the caller that contains
2713  *             the values to set for this view entry
2714  *
2715  * returns:
2716  *  STMF_PS_SUCCESS on success
2717  *  STMF_PS_ERROR_* on failure
2718  */
2719 int
2720 psAddViewEntry(stmfGuid *lu, stmfViewEntry *viewEntry)
2721 {
2722 	scf_handle_t	*handle = NULL;
2723 	scf_service_t	*svc = NULL;
2724 	scf_propertygroup_t	*pg = NULL;
2725 	char guidAsciiBuf[33]; /* size of ascii hex 16 byte guid with NULL */
2726 	char viewEntryPgName[VIEW_ENTRY_PG_SIZE];
2727 	char scfLuPgName[LOGICAL_UNIT_PG_SIZE];
2728 	int ret = STMF_PS_SUCCESS;
2729 	sigset_t sigmaskRestore;
2730 
2731 	/* grab the signal hold lock */
2732 	(void) pthread_mutex_lock(&sigSetLock);
2733 
2734 	/*
2735 	 * hold signals until we're done
2736 	 */
2737 	if (holdSignal(&sigmaskRestore) != 0) {
2738 		(void) pthread_mutex_unlock(&sigSetLock);
2739 		return (STMF_PS_ERROR);
2740 	}
2741 
2742 	ret = iPsInit(&handle, &svc);
2743 	if (ret != STMF_PS_SUCCESS) {
2744 		goto out;
2745 	}
2746 
2747 	pg = scf_pg_create(handle);
2748 	if (pg == NULL) {
2749 		syslog(LOG_ERR, "scf pg alloc failed - %s",
2750 		    scf_strerror(scf_error()));
2751 		ret = STMF_PS_ERROR;
2752 		goto out;
2753 	}
2754 
2755 	/* Convert to ASCII uppercase hexadecimal string */
2756 	(void) snprintf(guidAsciiBuf, sizeof (guidAsciiBuf),
2757 	    "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
2758 	    lu->guid[0], lu->guid[1], lu->guid[2], lu->guid[3], lu->guid[4],
2759 	    lu->guid[5], lu->guid[6], lu->guid[7], lu->guid[8], lu->guid[9],
2760 	    lu->guid[10], lu->guid[11], lu->guid[12], lu->guid[13],
2761 	    lu->guid[14], lu->guid[15]);
2762 
2763 	(void) snprintf(scfLuPgName, sizeof (scfLuPgName), "%s-%s",
2764 	    STMF_LU_PREFIX, guidAsciiBuf);
2765 
2766 	bzero(viewEntryPgName, sizeof (viewEntryPgName));
2767 	/*
2768 	 * Format of view entry property group name:
2769 	 *	VE-<view_entry_name>-<lu_name>
2770 	 */
2771 	(void) snprintf(viewEntryPgName, sizeof (viewEntryPgName),
2772 	    "%s-%d-%s", STMF_VE_PREFIX, viewEntry->veIndex, guidAsciiBuf);
2773 
2774 	ret = iPsAddViewEntry(scfLuPgName, viewEntryPgName, viewEntry);
2775 
2776 out:
2777 	/*
2778 	 * Okay, we're done. Release the signals
2779 	 */
2780 	if (releaseSignal(&sigmaskRestore) != 0) {
2781 		/*
2782 		 * Don't set this as an STMF_PS_ERROR_*. We succeeded
2783 		 * the requested operation. But we do need to log it.
2784 		 */
2785 		syslog(LOG_ERR, "Unable to release one or more signals - %s",
2786 		    strerror(errno));
2787 	}
2788 
2789 	/*
2790 	 * Free resources
2791 	 */
2792 	if (handle != NULL) {
2793 		scf_handle_destroy(handle);
2794 	}
2795 	if (svc != NULL) {
2796 		scf_service_destroy(svc);
2797 	}
2798 	if (pg != NULL) {
2799 		scf_pg_destroy(pg);
2800 	}
2801 
2802 	/* release the signal hold lock */
2803 	(void) pthread_mutex_unlock(&sigSetLock);
2804 
2805 	return (ret);
2806 }
2807 
2808 /*
2809  * psCheckService
2810  *
2811  * Purpose: Checks whether service exists
2812  *
2813  */
2814 int
2815 psCheckService()
2816 {
2817 	int ret;
2818 	scf_handle_t	*handle = NULL;
2819 	scf_service_t	*svc = NULL;
2820 
2821 	ret = iPsInit(&handle, &svc);
2822 
2823 	/*
2824 	 * Free resources
2825 	 */
2826 	if (handle != NULL) {
2827 		scf_handle_destroy(handle);
2828 	}
2829 	if (svc != NULL) {
2830 		scf_service_destroy(svc);
2831 	}
2832 
2833 	return (ret);
2834 }
2835 
2836 /*
2837  * psCreateHostGroup
2838  *
2839  * groupName - name of group to create
2840  *
2841  * returns:
2842  *  STMF_PS_SUCCESS on success
2843  *  STMF_PS_ERROR_* on failure
2844  */
2845 int
2846 psCreateHostGroup(char *groupName)
2847 {
2848 	return (iPsCreateDeleteGroup(STMF_HOST_GROUPS, groupName, ADD));
2849 }
2850 
2851 /*
2852  * psCreateTargetGroup
2853  *
2854  * groupName - name of group to create
2855  *
2856  * returns:
2857  *  STMF_PS_SUCCESS on success
2858  *  STMF_PS_ERROR_* on failure
2859  */
2860 int
2861 psCreateTargetGroup(char *groupName)
2862 {
2863 	return (iPsCreateDeleteGroup(STMF_TARGET_GROUPS, groupName, ADD));
2864 }
2865 
2866 /*
2867  * psDeleteHostGroup
2868  *
2869  * groupName - name of group to delete
2870  *
2871  * returns:
2872  *  STMF_PS_SUCCESS on success
2873  *  STMF_PS_ERROR_* on failure
2874  */
2875 int
2876 psDeleteHostGroup(char *groupName)
2877 {
2878 	return (iPsCreateDeleteGroup(STMF_HOST_GROUPS, groupName, REMOVE));
2879 }
2880 
2881 /*
2882  * psDeleteTargetGroup
2883  *
2884  * groupName - name of group to delete
2885  *
2886  * returns:
2887  *  STMF_PS_SUCCESS on success
2888  *  STMF_PS_ERROR_* on failure
2889  */
2890 int
2891 psDeleteTargetGroup(char *groupName)
2892 {
2893 	return (iPsCreateDeleteGroup(STMF_TARGET_GROUPS, groupName,
2894 	    REMOVE));
2895 }
2896 
2897 /*
2898  * psGetHostGroupList
2899  *
2900  * groupList - pointer to pointer to stmfGroupList. Contains the list
2901  *             of host groups on successful return.
2902  *
2903  * returns:
2904  *  STMF_PS_SUCCESS on success
2905  *  STMF_PS_ERROR_* on failure
2906  */
2907 int
2908 psGetHostGroupList(stmfGroupList **groupList)
2909 {
2910 	return (iPsGetGroupList(STMF_HOST_GROUPS, groupList));
2911 }
2912 
2913 /*
2914  * psGetLogicalUnitList
2915  *
2916  *
2917  */
2918 int
2919 psGetLogicalUnitList(stmfGuidList **guidList)
2920 {
2921 	scf_handle_t	*handle = NULL;
2922 	scf_service_t	*svc = NULL;
2923 	scf_propertygroup_t	*pg = NULL;
2924 	scf_iter_t	*pgIter = NULL;
2925 	char buf[MAXNAMELEN];
2926 	int guidCnt = 0;
2927 	int i = 0, j;
2928 	int ret = STMF_PS_SUCCESS;
2929 	unsigned int guid[sizeof (stmfGuid)];
2930 	stmfGuid outGuid;
2931 
2932 	assert(guidList != NULL);
2933 
2934 	ret = iPsInit(&handle, &svc);
2935 	if (ret != STMF_PS_SUCCESS) {
2936 		goto out;
2937 	}
2938 
2939 	/*
2940 	 * Allocate scf resources
2941 	 */
2942 	if (((pg = scf_pg_create(handle)) == NULL) ||
2943 	    ((pgIter = scf_iter_create(handle)) == NULL)) {
2944 		syslog(LOG_ERR, "scf alloc resource failed - %s",
2945 		    scf_strerror(scf_error()));
2946 		ret = STMF_PS_ERROR;
2947 		goto out;
2948 	}
2949 
2950 	/*
2951 	 * pgIter is the iterator handle
2952 	 */
2953 	if (scf_iter_service_pgs(pgIter, svc) == -1) {
2954 		syslog(LOG_ERR, "iter property groups failed - %s",
2955 		    scf_strerror(scf_error()));
2956 		ret = STMF_PS_ERROR;
2957 		goto out;
2958 	}
2959 
2960 	while (scf_iter_next_pg(pgIter, pg) == 1) {
2961 		if (scf_pg_get_name(pg, buf, sizeof (buf)) == -1) {
2962 			syslog(LOG_ERR, "get name failed - %s",
2963 			    scf_strerror(scf_error()));
2964 			ret = STMF_PS_ERROR;
2965 			break;
2966 		}
2967 		/*
2968 		 * Only count LU property groups
2969 		 */
2970 		if (strncmp(buf, STMF_LU_PREFIX, strlen(STMF_LU_PREFIX)) == 0) {
2971 			guidCnt++;
2972 		}
2973 	}
2974 
2975 	/*
2976 	 * pgIter is the iterator handle
2977 	 */
2978 	if (scf_iter_service_pgs(pgIter, svc) == -1) {
2979 		syslog(LOG_ERR, "iter property groups failed - %s",
2980 		    scf_strerror(scf_error()));
2981 		ret = STMF_PS_ERROR;
2982 		goto out;
2983 	}
2984 
2985 	*guidList = (stmfGuidList *)calloc(1, sizeof (stmfGuidList) +
2986 	    guidCnt * sizeof (stmfGuid));
2987 	if (*guidList == NULL) {
2988 		ret = STMF_PS_ERROR_NOMEM;
2989 		goto out;
2990 	}
2991 
2992 	/*
2993 	 * it's possible for entries to be added/removed while we're retrieving
2994 	 * the property groups. Just make sure we don't write beyond our
2995 	 * allocated buffer by checking to ensure i < guidCnt.
2996 	 */
2997 	while ((scf_iter_next_pg(pgIter, pg) == 1) && (i < guidCnt)) {
2998 		if (scf_pg_get_name(pg, buf, sizeof (buf)) == -1) {
2999 			syslog(LOG_ERR, "get name failed - %s",
3000 			    scf_strerror(scf_error()));
3001 			ret = STMF_PS_ERROR;
3002 			break;
3003 		}
3004 		/*
3005 		 * Only use LU property groups
3006 		 */
3007 		if (strncmp(buf, STMF_LU_PREFIX, strlen(STMF_LU_PREFIX)) != 0) {
3008 			continue;
3009 		}
3010 
3011 		j = strlen(STMF_LU_PREFIX) + strlen("-");
3012 
3013 		(void) sscanf(buf + j,
3014 		    "%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x",
3015 		    &guid[0], &guid[1], &guid[2], &guid[3], &guid[4], &guid[5],
3016 		    &guid[6], &guid[7], &guid[8], &guid[9], &guid[10],
3017 		    &guid[11], &guid[12], &guid[13], &guid[14], &guid[15]);
3018 
3019 		for (j = 0; j < sizeof (stmfGuid); j++) {
3020 			outGuid.guid[j] = guid[j];
3021 		}
3022 
3023 		bcopy(&outGuid, (*guidList)->guid[i++].guid, sizeof (stmfGuid));
3024 		(*guidList)->cnt++;
3025 	}
3026 
3027 	if (ret != STMF_PS_SUCCESS) {
3028 		free(*guidList);
3029 		goto out;
3030 	}
3031 
3032 out:
3033 	/*
3034 	 * Free resources
3035 	 */
3036 	if (handle != NULL) {
3037 		scf_handle_destroy(handle);
3038 	}
3039 	if (svc != NULL) {
3040 		scf_service_destroy(svc);
3041 	}
3042 	if (pg != NULL) {
3043 		scf_pg_destroy(pg);
3044 	}
3045 	if (pgIter != NULL) {
3046 		scf_iter_destroy(pgIter);
3047 	}
3048 
3049 	return (ret);
3050 }
3051 
3052 /*
3053  * psGetTargetGroupList
3054  *
3055  * groupList - pointer to pointer to stmfGroupList. Contains the list
3056  *             of target groups on successful return.
3057  *
3058  * returns:
3059  *  STMF_PS_SUCCESS on success
3060  *  STMF_PS_ERROR_* on failure
3061  */
3062 int
3063 psGetTargetGroupList(stmfGroupList **groupList)
3064 {
3065 	return (iPsGetGroupList(STMF_TARGET_GROUPS, groupList));
3066 }
3067 
3068 /*
3069  * psGetHostGroupMemberList
3070  *
3071  * groupName - group name for which to retrieve a member list
3072  * groupMemberList - pointer to pointer to stmfGroupProperties list
3073  *
3074  * returns:
3075  *  STMF_PS_SUCCESS on success
3076  *  STMF_PS_ERROR_* on failure
3077  */
3078 int
3079 psGetHostGroupMemberList(char *groupName, stmfGroupProperties **groupMemberList)
3080 {
3081 	int ret;
3082 	char groupPropListName[MAXNAMELEN];
3083 	char groupPropName[MAXNAMELEN];
3084 
3085 	ret = iPsGetActualGroupName(STMF_HOST_GROUPS, groupName,
3086 	    groupPropName);
3087 	if (ret != STMF_PS_SUCCESS) {
3088 		return (ret);
3089 	}
3090 
3091 	if (snprintf(groupPropListName, sizeof (groupPropListName),
3092 	    "%s-%s", groupPropName, STMF_MEMBER_LIST_SUFFIX) >
3093 	    sizeof (groupPropListName)) {
3094 		syslog(LOG_ERR, "buffer overflow on property name %s",
3095 		    groupPropName);
3096 		return (STMF_PS_ERROR);
3097 	}
3098 
3099 	return (iPsGetGroupMemberList(STMF_HOST_GROUPS, groupPropListName,
3100 	    groupMemberList));
3101 }
3102 
3103 /*
3104  * psGetTargetGroupMemberList
3105  *
3106  * groupName - group name for which to retrieve a member list
3107  * groupMemberList - pointer to pointer to stmfGroupProperties list
3108  *
3109  * returns:
3110  *  STMF_PS_SUCCESS on success
3111  *  STMF_PS_ERROR_* on failure
3112  */
3113 int
3114 psGetTargetGroupMemberList(char *groupName,
3115     stmfGroupProperties **groupMemberList)
3116 {
3117 	int ret;
3118 	char groupPropListName[MAXNAMELEN];
3119 	char groupPropName[MAXNAMELEN];
3120 
3121 	ret = iPsGetActualGroupName(STMF_TARGET_GROUPS, groupName,
3122 	    groupPropName);
3123 	if (ret != STMF_PS_SUCCESS) {
3124 		return (ret);
3125 	}
3126 
3127 	if (snprintf(groupPropListName, sizeof (groupPropListName),
3128 	    "%s-%s", groupPropName, STMF_MEMBER_LIST_SUFFIX) >
3129 	    sizeof (groupPropListName)) {
3130 		syslog(LOG_ERR, "buffer overflow on property name %s",
3131 		    groupPropName);
3132 		return (STMF_PS_ERROR);
3133 	}
3134 
3135 	return (iPsGetGroupMemberList(STMF_TARGET_GROUPS,
3136 	    groupPropListName, groupMemberList));
3137 }
3138 
3139 /*
3140  * qsort function
3141  * sort on veIndex
3142  */
3143 static int
3144 viewEntryCompare(const void *p1, const void *p2)
3145 {
3146 
3147 	stmfViewEntry *v1 = (stmfViewEntry *)p1, *v2 = (stmfViewEntry *)p2;
3148 	if (v1->veIndex > v2->veIndex)
3149 		return (1);
3150 	if (v1->veIndex < v2->veIndex)
3151 		return (-1);
3152 	return (0);
3153 }
3154 
3155 /*
3156  * psGetViewEntryList
3157  *
3158  * luGuid - identifier of logical unit for which to retrieve a view entry list
3159  * viewEntryList - pointer to pointer to stmfViewEntryList. It will be allocated
3160  *                 on successful return.
3161  *
3162  * returns:
3163  *  STMF_PS_SUCCESS on success
3164  *  STMF_PS_ERROR_* on failure
3165  */
3166 int
3167 psGetViewEntryList(stmfGuid *lu, stmfViewEntryList **viewEntryList)
3168 {
3169 	scf_handle_t	*handle = NULL;
3170 	scf_service_t	*svc = NULL;
3171 	scf_propertygroup_t	*pg = NULL;
3172 	scf_property_t	*prop = NULL;
3173 	scf_value_t *value = NULL;
3174 	scf_iter_t  *propIter = NULL;
3175 	char guidAsciiBuf[33]; /* size of ascii hex 16 byte guid with NULL */
3176 	char viewEntryPgName[VIEW_ENTRY_PG_SIZE];
3177 	char luPgName[LOGICAL_UNIT_PG_SIZE];
3178 	int ret = STMF_PS_SUCCESS;
3179 	uint64_t i = 0;
3180 	uint64_t veCnt;
3181 
3182 
3183 	ret = iPsInit(&handle, &svc);
3184 	if (ret != STMF_PS_SUCCESS) {
3185 		goto out;
3186 	}
3187 
3188 	/*
3189 	 * Allocate scf resources
3190 	 */
3191 	if (((pg = scf_pg_create(handle)) == NULL) ||
3192 	    ((prop = scf_property_create(handle)) == NULL) ||
3193 	    ((propIter = scf_iter_create(handle)) == NULL) ||
3194 	    ((value = scf_value_create(handle)) == NULL)) {
3195 		syslog(LOG_ERR, "scf alloc resource failed - %s",
3196 		    scf_strerror(scf_error()));
3197 		ret = STMF_PS_ERROR;
3198 		goto out;
3199 	}
3200 
3201 	/* Convert to ASCII uppercase hexadecimal string */
3202 	(void) snprintf(guidAsciiBuf, sizeof (guidAsciiBuf),
3203 	    "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
3204 	    lu->guid[0], lu->guid[1], lu->guid[2], lu->guid[3], lu->guid[4],
3205 	    lu->guid[5], lu->guid[6], lu->guid[7], lu->guid[8], lu->guid[9],
3206 	    lu->guid[10], lu->guid[11], lu->guid[12], lu->guid[13],
3207 	    lu->guid[14], lu->guid[15]);
3208 
3209 	/* form the LU property group name (LU-<guid>) */
3210 	(void) snprintf(luPgName, sizeof (luPgName), "%s-%s",
3211 	    STMF_LU_PREFIX, guidAsciiBuf);
3212 
3213 	/* get the property group associated with this LU */
3214 	if (scf_service_get_pg(svc, luPgName, pg) == -1) {
3215 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
3216 			ret = STMF_PS_ERROR_NOT_FOUND;
3217 		} else {
3218 			syslog(LOG_ERR, "get pg failed - %s",
3219 			    scf_strerror(scf_error()));
3220 			ret = STMF_PS_ERROR;
3221 		}
3222 		goto out;
3223 	}
3224 
3225 	/* get the view entry count property */
3226 	if (scf_pg_get_property(pg, STMF_VE_CNT, prop) == -1) {
3227 		syslog(LOG_ERR, "get property failed - %s",
3228 		    scf_strerror(scf_error()));
3229 		ret = STMF_PS_ERROR;
3230 		goto out;
3231 	}
3232 
3233 	if (scf_property_get_value(prop, value) == -1) {
3234 		syslog(LOG_ERR, "get property value failed - %s",
3235 		    scf_strerror(scf_error()));
3236 		ret = STMF_PS_ERROR;
3237 		goto out;
3238 	}
3239 
3240 	/*
3241 	 * Get the actual value of the view entry count property
3242 	 */
3243 	if (scf_value_get_count(value, &veCnt) == -1) {
3244 		syslog(LOG_ERR, "get integer value failed - %s",
3245 		    scf_strerror(scf_error()));
3246 		ret = STMF_PS_ERROR;
3247 		goto out;
3248 	}
3249 
3250 	/*
3251 	 * propIter is the iterator handle
3252 	 */
3253 	if (scf_iter_pg_properties(propIter, pg) == -1) {
3254 		syslog(LOG_ERR, "iter properties failed - %s",
3255 		    scf_strerror(scf_error()));
3256 		ret = STMF_PS_ERROR;
3257 		goto out;
3258 	}
3259 
3260 	/*
3261 	 * alloc the list based on the view entry count
3262 	 */
3263 	*viewEntryList = (stmfViewEntryList *)calloc(1,
3264 	    sizeof (stmfViewEntryList) + veCnt * sizeof (stmfViewEntry));
3265 	if (*viewEntryList == NULL) {
3266 		ret = STMF_PS_ERROR_NOMEM;
3267 		goto out;
3268 	}
3269 
3270 	i = 0;
3271 	/*
3272 	 * iterate through the view entry properties to find the
3273 	 * view entries
3274 	 */
3275 	while (scf_iter_next_property(propIter, prop) == 1) {
3276 		/* find match for view entry property */
3277 		if (scf_property_get_name(prop, viewEntryPgName,
3278 		    sizeof (viewEntryPgName)) != -1) {
3279 			if (strncmp(viewEntryPgName, STMF_VE_PREFIX,
3280 			    strlen(STMF_VE_PREFIX)) != 0) {
3281 				continue;
3282 			}
3283 			/*
3284 			 * We've exceeded our alloc limit
3285 			 * break with error
3286 			 */
3287 			if (i == veCnt) {
3288 				ret = STMF_PS_ERROR;
3289 				break;
3290 			}
3291 
3292 			if ((ret = iPsGetViewEntry(viewEntryPgName,
3293 			    &((*viewEntryList)->ve[i]))) != STMF_PS_SUCCESS) {
3294 				break;
3295 			}
3296 
3297 			i++;
3298 
3299 			/* set the list count */
3300 			(*viewEntryList)->cnt++;
3301 		} else {
3302 			syslog(LOG_ERR, "scf pg iter service failed - %s",
3303 			    scf_strerror(scf_error()));
3304 			ret = STMF_PS_ERROR;
3305 			break;
3306 		}
3307 
3308 	}
3309 
3310 	if (ret != STMF_PS_SUCCESS) {
3311 		free(*viewEntryList);
3312 		goto out;
3313 	}
3314 
3315 	/*
3316 	 * We're sorting the final list here based on the veIndex
3317 	 * If we don't, the caller is going to have to do it to reap
3318 	 * some intelligent output.
3319 	 */
3320 	qsort((void *)&((*viewEntryList)->ve[0]), (*viewEntryList)->cnt,
3321 	    sizeof (stmfViewEntry), viewEntryCompare);
3322 
3323 out:
3324 	/*
3325 	 * Free resources
3326 	 */
3327 	if (handle != NULL) {
3328 		scf_handle_destroy(handle);
3329 	}
3330 	if (svc != NULL) {
3331 		scf_service_destroy(svc);
3332 	}
3333 	if (pg != NULL) {
3334 		scf_pg_destroy(pg);
3335 	}
3336 	if (prop != NULL) {
3337 		scf_property_destroy(prop);
3338 	}
3339 	if (value != NULL) {
3340 		scf_value_destroy(value);
3341 	}
3342 	if (propIter != NULL) {
3343 		scf_iter_destroy(propIter);
3344 	}
3345 
3346 	return (ret);
3347 }
3348 
3349 /*
3350  * iPsGetViewEntry
3351  *
3352  * viewEntryPgName - view entry property group name to retrieve
3353  * viewEntry - pointer to stmfViewEntry structure allocated by the caller
3354  *
3355  * returns:
3356  *  STMF_PS_SUCCESS on success
3357  *  STMF_PS_ERROR_* on failure
3358  */
3359 static int
3360 iPsGetViewEntry(char *viewEntryPgName, stmfViewEntry *viewEntry)
3361 {
3362 	scf_handle_t	*handle = NULL;
3363 	scf_service_t	*svc = NULL;
3364 	scf_propertygroup_t	*pg = NULL;
3365 	scf_property_t	*prop = NULL;
3366 	scf_value_t *value = NULL;
3367 	uint8_t scfBool;
3368 	char *indexPtr;
3369 	char groupName[sizeof (stmfGroupName)];
3370 	int ret = STMF_PS_SUCCESS;
3371 
3372 
3373 	ret = iPsInit(&handle, &svc);
3374 	if (ret != STMF_PS_SUCCESS) {
3375 		goto out;
3376 	}
3377 
3378 	/*
3379 	 * Allocate scf resources
3380 	 */
3381 	if (((pg = scf_pg_create(handle)) == NULL) ||
3382 	    ((prop = scf_property_create(handle)) == NULL) ||
3383 	    ((value = scf_value_create(handle)) == NULL)) {
3384 		syslog(LOG_ERR, "scf alloc resource failed - %s",
3385 		    scf_strerror(scf_error()));
3386 		ret = STMF_PS_ERROR;
3387 		goto out;
3388 	}
3389 
3390 	bzero(viewEntry, sizeof (stmfViewEntry));
3391 
3392 	/*
3393 	 * get the service property group view entry handle
3394 	 */
3395 	if (scf_service_get_pg(svc, viewEntryPgName, pg) == -1) {
3396 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
3397 			ret = STMF_PS_ERROR_NOT_FOUND;
3398 		} else {
3399 			syslog(LOG_ERR, "get pg failed - %s",
3400 			    scf_strerror(scf_error()));
3401 			ret = STMF_PS_ERROR;
3402 		}
3403 		goto out;
3404 	}
3405 
3406 
3407 	/*
3408 	 * get index
3409 	 * format is: VE-<veIndex>-GUID
3410 	 */
3411 	indexPtr = strchr(viewEntryPgName, '-');
3412 	if (!indexPtr) {
3413 		ret = STMF_PS_ERROR;
3414 		goto out;
3415 	}
3416 
3417 	/* Set the index */
3418 	viewEntry->veIndex = atoi(strtok(++indexPtr, "-"));
3419 
3420 	viewEntry->veIndexValid = B_TRUE;
3421 
3422 	/* get allHosts property */
3423 	if (scf_pg_get_property(pg, STMF_VE_ALLHOSTS,
3424 	    prop) == -1) {
3425 		syslog(LOG_ERR, "get property failed - %s",
3426 		    scf_strerror(scf_error()));
3427 		ret = STMF_PS_ERROR;
3428 		goto out;
3429 	}
3430 
3431 	if (scf_property_get_value(prop, value) == -1) {
3432 		syslog(LOG_ERR, "get property failed - %s",
3433 		    scf_strerror(scf_error()));
3434 		ret = STMF_PS_ERROR;
3435 		goto out;
3436 	}
3437 
3438 	/* set allHosts */
3439 	if (scf_value_get_boolean(value, (uint8_t *)&scfBool) == -1) {
3440 		syslog(LOG_ERR, "get property failed - %s",
3441 		    scf_strerror(scf_error()));
3442 		ret = STMF_PS_ERROR;
3443 		goto out;
3444 	}
3445 	viewEntry->allHosts = scfBool;
3446 
3447 	/* get hostGroup property */
3448 	if (scf_pg_get_property(pg, STMF_VE_HOSTGROUP,
3449 	    prop) == -1) {
3450 		syslog(LOG_ERR, "get property failed - %s",
3451 		    scf_strerror(scf_error()));
3452 		ret = STMF_PS_ERROR;
3453 		goto out;
3454 	}
3455 
3456 	if (scf_property_get_value(prop, value) == -1) {
3457 		syslog(LOG_ERR, "get property failed - %s",
3458 		    scf_strerror(scf_error()));
3459 		ret = STMF_PS_ERROR;
3460 		goto out;
3461 	}
3462 
3463 	if (scf_value_get_ustring(value, groupName,
3464 	    sizeof (groupName)) == -1) {
3465 		syslog(LOG_ERR, "set value failed - %s",
3466 		    scf_strerror(scf_error()));
3467 		ret = STMF_PS_ERROR;
3468 		goto out;
3469 	}
3470 	/* set hostGroup */
3471 	bcopy(groupName, viewEntry->hostGroup, strlen(groupName));
3472 
3473 	/* get allTargets property */
3474 	if (scf_pg_get_property(pg, STMF_VE_ALLTARGETS,
3475 	    prop) == -1) {
3476 		syslog(LOG_ERR, "get property failed - %s",
3477 		    scf_strerror(scf_error()));
3478 		ret = STMF_PS_ERROR;
3479 		goto out;
3480 	}
3481 
3482 	if (scf_property_get_value(prop, value) == -1) {
3483 		syslog(LOG_ERR, "get property failed - %s",
3484 		    scf_strerror(scf_error()));
3485 		ret = STMF_PS_ERROR;
3486 		goto out;
3487 	}
3488 
3489 	/* set allTargets */
3490 	if (scf_value_get_boolean(value, (uint8_t *)&scfBool) == -1) {
3491 		syslog(LOG_ERR, "get property failed - %s",
3492 		    scf_strerror(scf_error()));
3493 		ret = STMF_PS_ERROR;
3494 		goto out;
3495 	}
3496 	viewEntry->allTargets = scfBool;
3497 
3498 	/* get targetGroup property */
3499 	if (scf_pg_get_property(pg, STMF_VE_TARGETGROUP, prop) == -1) {
3500 		syslog(LOG_ERR, "get property failed - %s",
3501 		    scf_strerror(scf_error()));
3502 		ret = STMF_PS_ERROR;
3503 		goto out;
3504 	}
3505 
3506 	if (scf_property_get_value(prop, value) == -1) {
3507 		syslog(LOG_ERR, "get property failed - %s",
3508 		    scf_strerror(scf_error()));
3509 		ret = STMF_PS_ERROR;
3510 		goto out;
3511 	}
3512 
3513 	if (scf_value_get_ustring(value, groupName,
3514 	    sizeof (groupName)) == -1) {
3515 		syslog(LOG_ERR, "set value failed - %s",
3516 		    scf_strerror(scf_error()));
3517 		ret = STMF_PS_ERROR;
3518 		goto out;
3519 	}
3520 	/* set targetGroup */
3521 	bcopy(groupName, viewEntry->targetGroup, strlen(groupName));
3522 
3523 	/* get luNbr property */
3524 	if (scf_pg_get_property(pg, STMF_VE_LUNBR,
3525 	    prop) == -1) {
3526 		syslog(LOG_ERR, "get property failed - %s",
3527 		    scf_strerror(scf_error()));
3528 		ret = STMF_PS_ERROR;
3529 		goto out;
3530 	}
3531 
3532 	if (scf_property_get_value(prop, value) == -1) {
3533 		syslog(LOG_ERR, "get property value failed - %s",
3534 		    scf_strerror(scf_error()));
3535 		ret = STMF_PS_ERROR;
3536 		goto out;
3537 	}
3538 
3539 	/* set luNbr */
3540 	if (scf_value_get_opaque(value, (char *)viewEntry->luNbr,
3541 	    sizeof (viewEntry->luNbr)) == -1) {
3542 		syslog(LOG_ERR, "get opaque value failed - %s",
3543 		    scf_strerror(scf_error()));
3544 		ret = STMF_PS_ERROR;
3545 		goto out;
3546 	}
3547 	/* set luNbrValid to true since we just got it */
3548 	viewEntry->luNbrValid = B_TRUE;
3549 
3550 out:
3551 	/*
3552 	 * Free resources
3553 	 */
3554 	if (handle != NULL) {
3555 		scf_handle_destroy(handle);
3556 	}
3557 	if (svc != NULL) {
3558 		scf_service_destroy(svc);
3559 	}
3560 	if (pg != NULL) {
3561 		scf_pg_destroy(pg);
3562 	}
3563 	if (value != NULL) {
3564 		scf_value_destroy(value);
3565 	}
3566 	if (prop != NULL) {
3567 		scf_property_destroy(prop);
3568 	}
3569 
3570 	return (ret);
3571 }
3572 
3573 
3574 /*
3575  * psRemoveHostGroupMember
3576  *
3577  * Remove a host group member from a host group,
3578  *
3579  * groupName - name of group from which the member is removed
3580  * memberName - name of group member to remove
3581  *
3582  * returns:
3583  *  STMF_PS_SUCCESS on success
3584  *  STMF_PS_ERROR_* on failure
3585  */
3586 int
3587 psRemoveHostGroupMember(char *groupName, char *memberName)
3588 {
3589 	int ret;
3590 	char groupPropListName[MAXNAMELEN];
3591 	char groupPropName[MAXNAMELEN];
3592 
3593 	ret = iPsGetActualGroupName(STMF_HOST_GROUPS, groupName,
3594 	    groupPropName);
3595 	if (ret != STMF_PS_SUCCESS) {
3596 		return (ret);
3597 	}
3598 
3599 	if (snprintf(groupPropListName, sizeof (groupPropListName),
3600 	    "%s-%s", groupPropName, STMF_MEMBER_LIST_SUFFIX) >
3601 	    sizeof (groupPropListName)) {
3602 		syslog(LOG_ERR, "buffer overflow on property name %s",
3603 		    groupPropName);
3604 		return (STMF_PS_ERROR);
3605 	}
3606 
3607 	return (iPsAddRemoveGroupMember(STMF_HOST_GROUPS, groupPropListName,
3608 	    memberName, REMOVE));
3609 }
3610 
3611 /*
3612  * psRemoveTargetGroupMember
3613  *
3614  * Remove a target port group member from an target port group,
3615  *
3616  * groupName - name of group from which the member is removed
3617  * memberName - name of group member to remove
3618  *
3619  * returns:
3620  *  STMF_PS_SUCCESS on success
3621  *  STMF_PS_ERROR_* on failure
3622  */
3623 int
3624 psRemoveTargetGroupMember(char *groupName, char *memberName)
3625 {
3626 	int ret;
3627 	char groupPropListName[MAXNAMELEN];
3628 	char groupPropName[MAXNAMELEN];
3629 
3630 	ret = iPsGetActualGroupName(STMF_TARGET_GROUPS, groupName,
3631 	    groupPropName);
3632 	if (ret != STMF_PS_SUCCESS) {
3633 		return (ret);
3634 	}
3635 
3636 	if (snprintf(groupPropListName, sizeof (groupPropListName),
3637 	    "%s-%s", groupPropName, STMF_MEMBER_LIST_SUFFIX) >
3638 	    sizeof (groupPropListName)) {
3639 		syslog(LOG_ERR, "buffer overflow on property name %s",
3640 		    groupPropName);
3641 		return (STMF_PS_ERROR);
3642 	}
3643 
3644 	return (iPsAddRemoveGroupMember(STMF_TARGET_GROUPS, groupPropListName,
3645 	    memberName, REMOVE));
3646 }
3647 
3648 /*
3649  * psGetProviderData
3650  *
3651  * Retrieves an nvlist on a per provider basis
3652  *
3653  * providerName - property group name to use
3654  * nvl - nvlist to retrieve
3655  *
3656  */
3657 int
3658 psGetProviderData(char *providerName, nvlist_t **nvl, int providerType,
3659     uint64_t *setToken)
3660 {
3661 	scf_handle_t	*handle = NULL;
3662 	scf_service_t	*svc = NULL;
3663 	scf_propertygroup_t	*pg = NULL;
3664 	scf_property_t	*prop = NULL;
3665 	scf_value_t	*value = NULL;
3666 	uint64_t blockCnt = 0;
3667 	ssize_t blockOffset = 0;
3668 	ssize_t actualBlockSize = 0;
3669 	char pgName[MAXPATHLEN];
3670 	char dataPropertyName[STMF_PROVIDER_DATA_PROP_NAME_SIZE];
3671 	char *nvlistEncoded = NULL;
3672 	ssize_t nvlistEncodedSize = 0;
3673 	boolean_t foundSetCnt = B_TRUE;
3674 	int i;
3675 	int ret = STMF_PS_SUCCESS;
3676 
3677 	if (providerName == NULL || (providerType != STMF_LU_PROVIDER_TYPE &&
3678 	    providerType != STMF_PORT_PROVIDER_TYPE)) {
3679 		ret = STMF_PS_ERROR_INVALID_ARG;
3680 		goto out;
3681 	}
3682 
3683 	ret = iPsInit(&handle, &svc);
3684 	if (ret != STMF_PS_SUCCESS) {
3685 		goto out;
3686 	}
3687 
3688 	/*
3689 	 * create the property group name
3690 	 */
3691 	(void) snprintf(pgName, sizeof (pgName), "%s%s",
3692 	    STMF_PROVIDER_DATA_PREFIX, providerName);
3693 
3694 	/*
3695 	 * Allocate scf resources
3696 	 */
3697 	if (((pg = scf_pg_create(handle)) == NULL) ||
3698 	    ((value = scf_value_create(handle)) == NULL) ||
3699 	    ((prop = scf_property_create(handle)) == NULL)) {
3700 		syslog(LOG_ERR, "scf alloc resource failed - %s",
3701 		    scf_strerror(scf_error()));
3702 		ret = STMF_PS_ERROR;
3703 		goto out;
3704 	}
3705 
3706 	/*
3707 	 * Retrieve the existing property group.
3708 	 */
3709 	if (scf_service_get_pg(svc, pgName, pg) == -1) {
3710 		if (scf_error() != SCF_ERROR_NOT_FOUND) {
3711 			syslog(LOG_ERR, "get pg failed - %s",
3712 			    scf_strerror(scf_error()));
3713 			ret = STMF_PS_ERROR;
3714 			goto out;
3715 		} else {
3716 			ret = STMF_PS_ERROR_NOT_FOUND;
3717 			goto out;
3718 		}
3719 	}
3720 
3721 	/*
3722 	 * Get the STMF_PROVIDER_DATA_PROP_COUNT property
3723 	 */
3724 	if (scf_pg_get_property(pg, STMF_PROVIDER_DATA_PROP_COUNT,
3725 	    prop) == -1) {
3726 		syslog(LOG_ERR, "get property failed - %s",
3727 		    scf_strerror(scf_error()));
3728 		ret = STMF_PS_ERROR;
3729 		goto out;
3730 	}
3731 
3732 	/*
3733 	 * Get the STMF_PROVIDER_DATA_PROP_COUNT value
3734 	 */
3735 	if (scf_property_get_value(prop, value) == -1) {
3736 		syslog(LOG_ERR, "get property value failed - %s",
3737 		    scf_strerror(scf_error()));
3738 		ret = STMF_PS_ERROR;
3739 		goto out;
3740 	}
3741 
3742 	/*
3743 	 * Now get the actual value from the value handle
3744 	 */
3745 	if (scf_value_get_count(value, &blockCnt) == -1) {
3746 		syslog(LOG_ERR, "get integer value failed - %s",
3747 		    scf_strerror(scf_error()));
3748 		ret = STMF_PS_ERROR;
3749 		goto out;
3750 	}
3751 
3752 	/* Has the caller requested the token to be set? */
3753 	if (setToken) {
3754 		/*
3755 		 * Get the STMF_PROVIDER_DATA_PROP_SET_COUNT property
3756 		 * If it doesn't exist, we assume it to be zero.
3757 		 */
3758 		*setToken = 0;
3759 		if (scf_pg_get_property(pg, STMF_PROVIDER_DATA_PROP_SET_COUNT,
3760 		    prop) == -1) {
3761 			if (scf_error() == SCF_ERROR_NOT_FOUND) {
3762 				foundSetCnt = B_FALSE;
3763 			} else {
3764 				syslog(LOG_ERR, "get property failed - %s",
3765 				    scf_strerror(scf_error()));
3766 				ret = STMF_PS_ERROR;
3767 				goto out;
3768 			}
3769 		}
3770 
3771 		if (foundSetCnt) {
3772 			/*
3773 			 * Get the STMF_PROVIDER_DATA_PROP_SET_COUNT value
3774 			 */
3775 			if (scf_property_get_value(prop, value) == -1) {
3776 				syslog(LOG_ERR,
3777 				    "get property value failed - %s",
3778 				    scf_strerror(scf_error()));
3779 				ret = STMF_PS_ERROR;
3780 				goto out;
3781 			}
3782 
3783 			/*
3784 			 * Now get the actual value from the value handle
3785 			 * and set the caller's token
3786 			 */
3787 			if (scf_value_get_count(value, setToken) == -1) {
3788 				syslog(LOG_ERR,
3789 				    "get integer value failed - %s",
3790 				    scf_strerror(scf_error()));
3791 				ret = STMF_PS_ERROR;
3792 				goto out;
3793 			}
3794 		}
3795 	}
3796 
3797 	nvlistEncoded = (char *)calloc(1,
3798 	    blockCnt * STMF_PROVIDER_DATA_PROP_SIZE);
3799 	if (nvlistEncoded == NULL) {
3800 		syslog(LOG_ERR, "nvlistEncoded alloc failed");
3801 		ret = STMF_PS_ERROR_NOMEM;
3802 		goto out;
3803 	}
3804 
3805 	for (i = 0; i < blockCnt; i++) {
3806 		bzero(dataPropertyName, sizeof (dataPropertyName));
3807 		/*
3808 		 * create the name to use for the property
3809 		 */
3810 		(void) snprintf(dataPropertyName, sizeof (dataPropertyName),
3811 		    "%s-%d", STMF_PROVIDER_DATA_PROP_PREFIX, i);
3812 
3813 		if (scf_pg_get_property(pg, dataPropertyName, prop) == -1) {
3814 			syslog(LOG_ERR, "get property failed - %s",
3815 			    scf_strerror(scf_error()));
3816 			ret = STMF_PS_ERROR;
3817 			goto out;
3818 		}
3819 
3820 		if (scf_property_get_value(prop, value) == -1) {
3821 			syslog(LOG_ERR, "get property value failed - %s",
3822 			    scf_strerror(scf_error()));
3823 			ret = STMF_PS_ERROR;
3824 			goto out;
3825 		}
3826 
3827 		/*
3828 		 * Set the data block offset
3829 		 */
3830 		blockOffset = STMF_PROVIDER_DATA_PROP_SIZE * i;
3831 		actualBlockSize = scf_value_get_opaque(value,
3832 		    &nvlistEncoded[blockOffset], STMF_PROVIDER_DATA_PROP_SIZE);
3833 		if (actualBlockSize == -1) {
3834 			syslog(LOG_ERR, "get opaque property value failed - %s",
3835 			    scf_strerror(scf_error()));
3836 			ret = STMF_PS_ERROR;
3837 			goto out;
3838 		}
3839 		nvlistEncodedSize += actualBlockSize;
3840 	}
3841 
3842 	if (nvlist_unpack(nvlistEncoded, nvlistEncodedSize, nvl, 0) != 0) {
3843 		syslog(LOG_ERR, "unable to unpack nvlist");
3844 		ret = STMF_PS_ERROR;
3845 		goto out;
3846 	}
3847 
3848 
3849 out:
3850 	/*
3851 	 * Free resources
3852 	 */
3853 	if (handle != NULL) {
3854 		scf_handle_destroy(handle);
3855 	}
3856 	if (svc != NULL) {
3857 		scf_service_destroy(svc);
3858 	}
3859 	if (pg != NULL) {
3860 		scf_pg_destroy(pg);
3861 	}
3862 	if (prop != NULL) {
3863 		scf_property_destroy(prop);
3864 	}
3865 	if (value != NULL) {
3866 		scf_value_destroy(value);
3867 	}
3868 	if (nvlistEncoded != NULL) {
3869 		free(nvlistEncoded);
3870 	}
3871 
3872 	return (ret);
3873 
3874 }
3875 /*
3876  * psGetProviderDataList
3877  *
3878  * Retrieves the list of providers that currently store persistent data
3879  *
3880  * providerList - pointer to a pointer to an stmfProviderList structure
3881  *                On success, this will contain the list of providers
3882  *                currently storing persistent data.
3883  */
3884 int
3885 psGetProviderDataList(stmfProviderList **providerList)
3886 {
3887 	scf_handle_t *handle = NULL;
3888 	scf_service_t *svc = NULL;
3889 	scf_propertygroup_t *pg = NULL;
3890 	scf_property_t *prop = NULL;
3891 	scf_value_t *value = NULL;
3892 	scf_iter_t *pgIter = NULL;
3893 	char buf[MAXNAMELEN];
3894 	int providerCnt = 0;
3895 	int64_t providerType;
3896 	int i = 0, j;
3897 	int ret = STMF_PS_SUCCESS;
3898 
3899 	ret = iPsInit(&handle, &svc);
3900 	if (ret != STMF_PS_SUCCESS) {
3901 		goto out;
3902 	}
3903 
3904 	*providerList = NULL;
3905 
3906 	/*
3907 	 * Allocate scf resources
3908 	 */
3909 	if (((pg = scf_pg_create(handle)) == NULL) ||
3910 	    ((value = scf_value_create(handle)) == NULL) ||
3911 	    ((prop = scf_property_create(handle)) == NULL) ||
3912 	    ((pgIter = scf_iter_create(handle)) == NULL)) {
3913 		syslog(LOG_ERR, "scf alloc resource failed - %s",
3914 		    scf_strerror(scf_error()));
3915 		ret = STMF_PS_ERROR;
3916 		goto out;
3917 	}
3918 
3919 	/*
3920 	 * pgIter is the iterator handle
3921 	 */
3922 	if (scf_iter_service_pgs(pgIter, svc) == -1) {
3923 		syslog(LOG_ERR, "iter property groups failed - %s",
3924 		    scf_strerror(scf_error()));
3925 		ret = STMF_PS_ERROR;
3926 		goto out;
3927 	}
3928 
3929 	while (scf_iter_next_pg(pgIter, pg) == 1) {
3930 		if (scf_pg_get_name(pg, buf, sizeof (buf)) == -1) {
3931 			syslog(LOG_ERR, "get name failed - %s",
3932 			    scf_strerror(scf_error()));
3933 			ret = STMF_PS_ERROR;
3934 			break;
3935 		}
3936 		/*
3937 		 * Only count LU property groups
3938 		 */
3939 		if (strncmp(buf, STMF_PROVIDER_DATA_PREFIX,
3940 		    strlen(STMF_PROVIDER_DATA_PREFIX)) == 0) {
3941 			providerCnt++;
3942 		}
3943 	}
3944 
3945 	/*
3946 	 * pgIter is the iterator handle
3947 	 */
3948 	if (scf_iter_service_pgs(pgIter, svc) == -1) {
3949 		syslog(LOG_ERR, "iter property groups failed - %s",
3950 		    scf_strerror(scf_error()));
3951 		ret = STMF_PS_ERROR;
3952 		goto out;
3953 	}
3954 
3955 	*providerList = (stmfProviderList *)calloc(1,
3956 	    sizeof (stmfProviderList) + providerCnt * sizeof (stmfProvider));
3957 	if (*providerList == NULL) {
3958 		ret = STMF_PS_ERROR_NOMEM;
3959 		goto out;
3960 	}
3961 
3962 	/*
3963 	 * it's possible for entries to be added/removed while we're retrieving
3964 	 * the property groups. Just make sure we don't write beyond our
3965 	 * allocated buffer by checking to ensure i < providerCnt.
3966 	 */
3967 	while ((scf_iter_next_pg(pgIter, pg) == 1) && (i < providerCnt)) {
3968 		if (scf_pg_get_name(pg, buf, sizeof (buf)) == -1) {
3969 			syslog(LOG_ERR, "get name failed - %s",
3970 			    scf_strerror(scf_error()));
3971 			ret = STMF_PS_ERROR;
3972 			break;
3973 		}
3974 		/*
3975 		 * Only use provider data property groups
3976 		 */
3977 		if (strncmp(buf, STMF_PROVIDER_DATA_PREFIX,
3978 		    strlen(STMF_PROVIDER_DATA_PREFIX)) != 0) {
3979 			continue;
3980 		}
3981 
3982 		/*
3983 		 * Get the STMF_PROVIDER_DATA_PROP_TYPE property
3984 		 */
3985 		if (scf_pg_get_property(pg, STMF_PROVIDER_DATA_PROP_TYPE,
3986 		    prop) == -1) {
3987 			syslog(LOG_ERR, "get property failed - %s",
3988 			    scf_strerror(scf_error()));
3989 			ret = STMF_PS_ERROR;
3990 			break;
3991 		}
3992 
3993 		/*
3994 		 * Get the STMF_PROVIDER_DATA_PROP_TYPE value
3995 		 */
3996 		if (scf_property_get_value(prop, value) == -1) {
3997 			syslog(LOG_ERR, "get property value failed - %s",
3998 			    scf_strerror(scf_error()));
3999 			ret = STMF_PS_ERROR;
4000 			break;
4001 		}
4002 
4003 		/*
4004 		 * Now get the actual value from the value handle
4005 		 */
4006 		if (scf_value_get_integer(value, &providerType) == -1) {
4007 			syslog(LOG_ERR, "get integer value failed - %s",
4008 			    scf_strerror(scf_error()));
4009 			ret = STMF_PS_ERROR;
4010 			break;
4011 		}
4012 
4013 		(*providerList)->provider[i].providerType = providerType;
4014 
4015 		/* determine offset for copy of provider name */
4016 		j = strlen(STMF_PROVIDER_DATA_PREFIX);
4017 
4018 		/* copy provider name to caller's list */
4019 		(void) strncpy((*providerList)->provider[i].name, buf + j,
4020 		    sizeof ((*providerList)->provider[i].name));
4021 		i++;
4022 		(*providerList)->cnt++;
4023 	}
4024 
4025 	if (ret != STMF_PS_SUCCESS) {
4026 		free(*providerList);
4027 		goto out;
4028 	}
4029 
4030 out:
4031 	/*
4032 	 * Free resources
4033 	 */
4034 	if (handle != NULL) {
4035 		scf_handle_destroy(handle);
4036 	}
4037 	if (svc != NULL) {
4038 		scf_service_destroy(svc);
4039 	}
4040 	if (pg != NULL) {
4041 		scf_pg_destroy(pg);
4042 	}
4043 	if (value != NULL) {
4044 		scf_value_destroy(value);
4045 	}
4046 	if (prop != NULL) {
4047 		scf_property_destroy(prop);
4048 	}
4049 	if (pgIter != NULL) {
4050 		scf_iter_destroy(pgIter);
4051 	}
4052 
4053 	return (ret);
4054 }
4055 
4056 
4057 /*
4058  * psSetProviderData
4059  *
4060  * Stores a packed nvlist on a per provider basis
4061  *
4062  * providerName - property group name to use
4063  * nvl - nvlist to store
4064  * providerType - type of provider (logical unit or port)
4065  *
4066  */
4067 int
4068 psSetProviderData(char *providerName, nvlist_t *nvl, int providerType,
4069     uint64_t *setToken)
4070 {
4071 	scf_handle_t	*handle = NULL;
4072 	scf_service_t	*svc = NULL;
4073 	scf_propertygroup_t	*pg = NULL;
4074 	scf_property_t	*prop = NULL;
4075 	scf_transaction_t *tran = NULL;
4076 	/* represents arrays of entry and value pointers for scf */
4077 	scf_transaction_entry_t	**addEntry = NULL;
4078 	scf_transaction_entry_t	**deleteEntry = NULL;
4079 	scf_value_t **addValue = NULL;
4080 
4081 	/*
4082 	 * These declarations are for known entry and value set/get
4083 	 * operations
4084 	 */
4085 	scf_transaction_entry_t *entry1 = NULL;
4086 	scf_transaction_entry_t *entry2 = NULL;
4087 	scf_transaction_entry_t *entry3 = NULL;
4088 	scf_transaction_entry_t *entry5 = NULL;
4089 	scf_value_t *value1 = NULL;
4090 	scf_value_t *value2 = NULL;
4091 	scf_value_t *value3 = NULL;
4092 	scf_value_t *value4 = NULL;
4093 	scf_value_t *value5 = NULL;
4094 
4095 	boolean_t newPg = B_FALSE;
4096 	char pgName[MAXPATHLEN];
4097 	char dataPropertyName[STMF_PROVIDER_DATA_PROP_NAME_SIZE];
4098 	char *nvlistEncoded = NULL;
4099 	size_t nvlistEncodedSize;
4100 	size_t blockSize;
4101 	int i, j = 0;
4102 	int addEntryAlloc = 0, deleteEntryAlloc = 0, addValueAlloc = 0;
4103 	int blockOffset;
4104 	uint64_t oldBlockCnt = 0;
4105 	uint64_t blockCnt = 0;
4106 	uint64_t setCnt = 0;
4107 	boolean_t foundSetCnt = B_TRUE;
4108 	int ret = STMF_PS_SUCCESS;
4109 	int commitRet;
4110 
4111 	if (providerName == NULL || (providerType != STMF_LU_PROVIDER_TYPE &&
4112 	    providerType != STMF_PORT_PROVIDER_TYPE)) {
4113 		ret = STMF_PS_ERROR_INVALID_ARG;
4114 		goto out;
4115 	}
4116 
4117 	ret = iPsInit(&handle, &svc);
4118 	if (ret != STMF_PS_SUCCESS) {
4119 		goto out;
4120 	}
4121 
4122 	bzero(pgName, sizeof (pgName));
4123 	/*
4124 	 * create the property group name
4125 	 */
4126 	(void) snprintf(pgName, sizeof (pgName), "%s%s",
4127 	    STMF_PROVIDER_DATA_PREFIX, providerName);
4128 
4129 	/*
4130 	 * Allocate scf resources
4131 	 */
4132 	if (((pg = scf_pg_create(handle)) == NULL) ||
4133 	    ((entry1 = scf_entry_create(handle)) == NULL) ||
4134 	    ((entry2 = scf_entry_create(handle)) == NULL) ||
4135 	    ((entry3 = scf_entry_create(handle)) == NULL) ||
4136 	    ((entry5 = scf_entry_create(handle)) == NULL) ||
4137 	    ((value1 = scf_value_create(handle)) == NULL) ||
4138 	    ((value2 = scf_value_create(handle)) == NULL) ||
4139 	    ((value3 = scf_value_create(handle)) == NULL) ||
4140 	    ((value4 = scf_value_create(handle)) == NULL) ||
4141 	    ((value5 = scf_value_create(handle)) == NULL) ||
4142 	    ((prop = scf_property_create(handle)) == NULL) ||
4143 	    ((tran = scf_transaction_create(handle)) == NULL)) {
4144 		syslog(LOG_ERR, "scf alloc resource failed - %s",
4145 		    scf_strerror(scf_error()));
4146 		ret = STMF_PS_ERROR;
4147 		goto out;
4148 	}
4149 
4150 	/*
4151 	 * Get the existing property group
4152 	 */
4153 	if (scf_service_get_pg(svc, pgName, pg) == -1) {
4154 		if (scf_error() != SCF_ERROR_NOT_FOUND) {
4155 			syslog(LOG_ERR, "get pg failed - %s",
4156 			    scf_strerror(scf_error()));
4157 			ret = STMF_PS_ERROR;
4158 			goto out;
4159 		} else {
4160 			/*
4161 			 * create the property group.
4162 			 */
4163 			if (scf_service_add_pg(svc, pgName,
4164 			    SCF_GROUP_APPLICATION, 0, pg) == -1) {
4165 				syslog(LOG_ERR, "add pg failed - %s",
4166 				    scf_strerror(scf_error()));
4167 				ret = STMF_PS_ERROR;
4168 				goto out;
4169 			}
4170 			newPg = B_TRUE;
4171 		}
4172 	}
4173 
4174 	/*
4175 	 * Begin the transaction
4176 	 */
4177 	if (scf_transaction_start(tran, pg) == -1) {
4178 		syslog(LOG_ERR, "start transaction failed - %s",
4179 		    scf_strerror(scf_error()));
4180 		ret = STMF_PS_ERROR;
4181 		goto out;
4182 	}
4183 
4184 	if (!newPg) {
4185 		/*
4186 		 * Get the STMF_PROVIDER_DATA_PROP_COUNT property
4187 		 */
4188 		if (scf_pg_get_property(pg, STMF_PROVIDER_DATA_PROP_COUNT,
4189 		    prop) == -1) {
4190 			syslog(LOG_ERR, "get property failed - %s",
4191 			    scf_strerror(scf_error()));
4192 			ret = STMF_PS_ERROR;
4193 			goto out;
4194 		}
4195 
4196 		/*
4197 		 * Get the STMF_PROVIDER_DATA_PROP_COUNT value
4198 		 */
4199 		if (scf_property_get_value(prop, value4) == -1) {
4200 			syslog(LOG_ERR, "get property value failed - %s",
4201 			    scf_strerror(scf_error()));
4202 			ret = STMF_PS_ERROR;
4203 			goto out;
4204 		}
4205 
4206 		/*
4207 		 * Now get the actual value from the value handle
4208 		 */
4209 		if (scf_value_get_count(value4, &oldBlockCnt) == -1) {
4210 			syslog(LOG_ERR, "get integer value failed - %s",
4211 			    scf_strerror(scf_error()));
4212 			ret = STMF_PS_ERROR;
4213 			goto out;
4214 		}
4215 	}
4216 
4217 	/*
4218 	 * Get the STMF_PROVIDER_DATA_PROP_SET_COUNT property
4219 	 * If it doesn't exist, we'll create it later after successfully
4220 	 * setting the data.
4221 	 */
4222 	if (scf_pg_get_property(pg, STMF_PROVIDER_DATA_PROP_SET_COUNT,
4223 	    prop) == -1) {
4224 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
4225 			foundSetCnt = B_FALSE;
4226 		} else {
4227 			syslog(LOG_ERR, "get property failed - %s",
4228 			    scf_strerror(scf_error()));
4229 			ret = STMF_PS_ERROR;
4230 			goto out;
4231 		}
4232 	}
4233 
4234 	if (foundSetCnt) {
4235 		/*
4236 		 * Get the STMF_PROVIDER_DATA_PROP_SET_COUNT value
4237 		 */
4238 		if (scf_property_get_value(prop, value5) == -1) {
4239 			syslog(LOG_ERR,
4240 			    "get property value failed - %s",
4241 			    scf_strerror(scf_error()));
4242 			ret = STMF_PS_ERROR;
4243 			goto out;
4244 		}
4245 
4246 		/*
4247 		 * Now get the actual value from the value handle
4248 		 */
4249 		if (scf_value_get_count(value5, &setCnt) == -1) {
4250 			syslog(LOG_ERR,
4251 			    "get integer value failed - %s",
4252 			    scf_strerror(scf_error()));
4253 			ret = STMF_PS_ERROR;
4254 			goto out;
4255 		}
4256 
4257 		/*
4258 		 * Compare the setCnt prop to the caller's.
4259 		 */
4260 		if (setToken && (*setToken != setCnt)) {
4261 			ret = STMF_PS_ERROR_PROV_DATA_STALE;
4262 			goto out;
4263 		}
4264 	}
4265 
4266 	setCnt++;
4267 
4268 	/*
4269 	 * prepare the list for writing
4270 	 */
4271 	if (nvlist_pack(nvl, &nvlistEncoded, &nvlistEncodedSize,
4272 	    NV_ENCODE_XDR, 0) != 0) {
4273 		syslog(LOG_ERR, "nvlist_pack failed");
4274 		ret = STMF_PS_ERROR_NOMEM;
4275 		goto out;
4276 	}
4277 
4278 	/* Determine how many chunks we need to write */
4279 	blockCnt = nvlistEncodedSize/STMF_PROVIDER_DATA_PROP_SIZE;
4280 	if (nvlistEncodedSize % STMF_PROVIDER_DATA_PROP_SIZE)
4281 		blockCnt++;
4282 
4283 	/* allocate entry and value resources for writing those chunks */
4284 	addEntry = (scf_transaction_entry_t **)calloc(1, sizeof (*addEntry)
4285 	    * blockCnt);
4286 	if (addEntry == NULL) {
4287 		syslog(LOG_ERR, "addEntry alloc failed");
4288 		ret = STMF_PS_ERROR_NOMEM;
4289 		goto out;
4290 	}
4291 
4292 	addValue = (scf_value_t **)calloc(1, sizeof (*addValue)
4293 	    * blockCnt);
4294 	if (addValue == NULL) {
4295 		syslog(LOG_ERR, "value alloc failed");
4296 		ret = STMF_PS_ERROR_NOMEM;
4297 		goto out;
4298 	}
4299 
4300 	/*
4301 	 * allocate entry delete resources for deleting anything existing
4302 	 * that is more than the new block count. We could leave them around
4303 	 * without suffering any ill effects but it will be cleaner to look at
4304 	 * in smf tools if they are deleted.
4305 	 */
4306 	if (oldBlockCnt > blockCnt) {
4307 		deleteEntry = (scf_transaction_entry_t **)calloc(1,
4308 		    sizeof (*deleteEntry) * (oldBlockCnt - blockCnt));
4309 		if (deleteEntry == NULL) {
4310 			syslog(LOG_ERR, "deleteEntry alloc failed");
4311 			ret = STMF_PS_ERROR_NOMEM;
4312 			goto out;
4313 		}
4314 		deleteEntryAlloc = oldBlockCnt - blockCnt;
4315 	}
4316 
4317 
4318 	for (i = 0; i < blockCnt; i++) {
4319 		/*
4320 		 * Create the entry resource for the prop
4321 		 */
4322 		addEntry[i] = scf_entry_create(handle);
4323 		if (addEntry[i] == NULL) {
4324 			syslog(LOG_ERR, "scf value alloc failed - %s",
4325 			    scf_strerror(scf_error()));
4326 			ret = STMF_PS_ERROR;
4327 			goto out;
4328 		}
4329 
4330 		/* bump alloc count for addEntry allocation */
4331 		addEntryAlloc++;
4332 
4333 		/*
4334 		 * create the name to use for the property
4335 		 */
4336 		(void) snprintf(dataPropertyName, sizeof (dataPropertyName),
4337 		    "%s-%d", STMF_PROVIDER_DATA_PROP_PREFIX, i);
4338 
4339 		/*
4340 		 * Create the new property
4341 		 */
4342 		if (scf_transaction_property_new(tran, addEntry[i],
4343 		    dataPropertyName, SCF_TYPE_OPAQUE) == -1) {
4344 			if (scf_error() == SCF_ERROR_EXISTS) {
4345 				if (scf_transaction_property_change(tran,
4346 				    addEntry[i], dataPropertyName,
4347 				    SCF_TYPE_OPAQUE) == -1) {
4348 					syslog(LOG_ERR, "transaction property"
4349 					    "change failed - %s",
4350 					    scf_strerror(scf_error()));
4351 					ret = STMF_PS_ERROR;
4352 					goto out;
4353 				}
4354 			} else {
4355 				syslog(LOG_ERR,
4356 				    "transaction property new failed - %s",
4357 				    scf_strerror(scf_error()));
4358 				ret = STMF_PS_ERROR;
4359 				goto out;
4360 			}
4361 		}
4362 		/*
4363 		 * Create the value resource for the prop
4364 		 */
4365 		addValue[i] = scf_value_create(handle);
4366 		if (addValue[i] == NULL) {
4367 			syslog(LOG_ERR, "scf value alloc failed - %s",
4368 			    scf_strerror(scf_error()));
4369 			ret = STMF_PS_ERROR;
4370 			goto out;
4371 		}
4372 
4373 		/* bump alloc count for addValue allocation */
4374 		addValueAlloc++;
4375 
4376 		/*
4377 		 * Set the data block offset and size
4378 		 */
4379 		if ((STMF_PROVIDER_DATA_PROP_SIZE * (i + 1))
4380 		    > nvlistEncodedSize) {
4381 			blockSize = nvlistEncodedSize
4382 			    - STMF_PROVIDER_DATA_PROP_SIZE * i;
4383 		} else {
4384 			blockSize = STMF_PROVIDER_DATA_PROP_SIZE;
4385 		}
4386 
4387 		blockOffset = STMF_PROVIDER_DATA_PROP_SIZE * i;
4388 		if (scf_value_set_opaque(addValue[i],
4389 		    &nvlistEncoded[blockOffset], blockSize) == -1) {
4390 			syslog(LOG_ERR, "set value failed - %s",
4391 			    scf_strerror(scf_error()));
4392 			ret = STMF_PS_ERROR;
4393 			goto out;
4394 		}
4395 
4396 		/*
4397 		 * Add the data block to the transaction entry
4398 		 */
4399 		if (scf_entry_add_value(addEntry[i], addValue[i]) == -1) {
4400 			syslog(LOG_ERR, "add value failed - %s",
4401 			    scf_strerror(scf_error()));
4402 			ret = STMF_PS_ERROR;
4403 			goto out;
4404 		}
4405 	}
4406 
4407 	/*
4408 	 * Now we need to delete any chunks (properties) that are no longer
4409 	 * needed. Iterate through the rest of the chunks deleting each.
4410 	 */
4411 	for (i = blockCnt; i < oldBlockCnt; i++) {
4412 		/*
4413 		 * Create the entry resource for the prop
4414 		 */
4415 		deleteEntry[j] = scf_entry_create(handle);
4416 		if (deleteEntry[j] == NULL) {
4417 			syslog(LOG_ERR, "scf value alloc failed - %s",
4418 			    scf_strerror(scf_error()));
4419 			ret = STMF_PS_ERROR;
4420 			goto out;
4421 		}
4422 
4423 		/*
4424 		 * create the name to use for the property
4425 		 */
4426 		(void) snprintf(dataPropertyName, sizeof (dataPropertyName),
4427 		    "%s-%d", STMF_PROVIDER_DATA_PROP_PREFIX, i);
4428 
4429 		/*
4430 		 * Delete the existing property
4431 		 */
4432 		if (scf_transaction_property_delete(tran, deleteEntry[j++],
4433 		    dataPropertyName) == -1) {
4434 			syslog(LOG_ERR, "get property failed - %s",
4435 			    scf_strerror(scf_error()));
4436 			ret = STMF_PS_ERROR;
4437 			goto out;
4438 		}
4439 	}
4440 
4441 	if (newPg) {
4442 		/*
4443 		 * Ensure the read_authorization property is set
4444 		 * for the group
4445 		 */
4446 		if (scf_transaction_property_new(tran, entry1,
4447 		    "read_authorization", SCF_TYPE_ASTRING) == -1) {
4448 			syslog(LOG_ERR, "transaction property new failed - %s",
4449 			    scf_strerror(scf_error()));
4450 			ret = STMF_PS_ERROR;
4451 			goto out;
4452 		}
4453 
4454 		if (scf_value_set_astring(value1, STMF_SMF_READ_ATTR) == -1) {
4455 			syslog(LOG_ERR, "set value failed - %s",
4456 			    scf_strerror(scf_error()));
4457 			ret = STMF_PS_ERROR;
4458 			goto out;
4459 		}
4460 
4461 		if (scf_entry_add_value(entry1, value1) == -1) {
4462 			syslog(LOG_ERR, "add value failed - %s",
4463 			    scf_strerror(scf_error()));
4464 			ret = STMF_PS_ERROR;
4465 			goto out;
4466 		}
4467 	}
4468 
4469 	/* create or change the count property */
4470 	if (scf_transaction_property_new(tran, entry2,
4471 	    STMF_PROVIDER_DATA_PROP_COUNT, SCF_TYPE_COUNT) == -1) {
4472 		if (scf_error() == SCF_ERROR_EXISTS) {
4473 			if (scf_transaction_property_change(tran, entry2,
4474 			    STMF_PROVIDER_DATA_PROP_COUNT,
4475 			    SCF_TYPE_COUNT) == -1) {
4476 				syslog(LOG_ERR,
4477 				    "transaction property change failed - %s",
4478 				    scf_strerror(scf_error()));
4479 				ret = STMF_PS_ERROR;
4480 				goto out;
4481 			}
4482 		} else {
4483 			syslog(LOG_ERR, "transaction property new failed - %s",
4484 			    scf_strerror(scf_error()));
4485 			ret = STMF_PS_ERROR;
4486 			goto out;
4487 		}
4488 	}
4489 
4490 	scf_value_set_count(value2, blockCnt);
4491 
4492 	if (scf_entry_add_value(entry2, value2) == -1) {
4493 		syslog(LOG_ERR, "add value failed - %s",
4494 		    scf_strerror(scf_error()));
4495 		ret = STMF_PS_ERROR;
4496 		goto out;
4497 	}
4498 
4499 	/* create or change the set count property */
4500 	if (scf_transaction_property_new(tran, entry5,
4501 	    STMF_PROVIDER_DATA_PROP_SET_COUNT, SCF_TYPE_COUNT) == -1) {
4502 		if (scf_error() == SCF_ERROR_EXISTS) {
4503 			if (scf_transaction_property_change(tran, entry5,
4504 			    STMF_PROVIDER_DATA_PROP_SET_COUNT,
4505 			    SCF_TYPE_COUNT) == -1) {
4506 				syslog(LOG_ERR,
4507 				    "transaction property change failed - %s",
4508 				    scf_strerror(scf_error()));
4509 				ret = STMF_PS_ERROR;
4510 				goto out;
4511 			}
4512 		} else {
4513 			syslog(LOG_ERR, "transaction property new failed - %s",
4514 			    scf_strerror(scf_error()));
4515 			ret = STMF_PS_ERROR;
4516 			goto out;
4517 		}
4518 	}
4519 
4520 
4521 
4522 	scf_value_set_count(value5, setCnt);
4523 
4524 	if (scf_entry_add_value(entry5, value5) == -1) {
4525 		syslog(LOG_ERR, "add value failed - %s",
4526 		    scf_strerror(scf_error()));
4527 		ret = STMF_PS_ERROR;
4528 		goto out;
4529 	}
4530 
4531 	/* create or change the provider type property */
4532 	if (scf_transaction_property_new(tran, entry3,
4533 	    STMF_PROVIDER_DATA_PROP_TYPE, SCF_TYPE_INTEGER) == -1) {
4534 		if (scf_error() == SCF_ERROR_EXISTS) {
4535 			if (scf_transaction_property_change(tran, entry3,
4536 			    STMF_PROVIDER_DATA_PROP_TYPE,
4537 			    SCF_TYPE_INTEGER) == -1) {
4538 				syslog(LOG_ERR,
4539 				    "transaction property change failed - %s",
4540 				    scf_strerror(scf_error()));
4541 				ret = STMF_PS_ERROR;
4542 				goto out;
4543 			}
4544 		} else {
4545 			syslog(LOG_ERR, "transaction property new failed - %s",
4546 			    scf_strerror(scf_error()));
4547 			ret = STMF_PS_ERROR;
4548 			goto out;
4549 		}
4550 	}
4551 
4552 	switch (providerType) {
4553 		case STMF_PORT_PROVIDER_TYPE:
4554 		case STMF_LU_PROVIDER_TYPE:
4555 			scf_value_set_integer(value3, providerType);
4556 			break;
4557 		default:
4558 			ret = STMF_PS_ERROR;
4559 			goto out;
4560 	}
4561 
4562 	if (scf_entry_add_value(entry3, value3) == -1) {
4563 		syslog(LOG_ERR, "add value failed - %s",
4564 		    scf_strerror(scf_error()));
4565 		ret = STMF_PS_ERROR;
4566 		goto out;
4567 	}
4568 
4569 
4570 	if ((commitRet = scf_transaction_commit(tran)) != 1) {
4571 		syslog(LOG_ERR, "transaction commit failed - %s",
4572 		    scf_strerror(scf_error()));
4573 		if (commitRet == 0) {
4574 			ret = STMF_PS_ERROR_BUSY;
4575 		} else {
4576 			ret = STMF_PS_ERROR;
4577 		}
4578 		goto out;
4579 	}
4580 
4581 	/* pass the new token back to the caller if requested */
4582 	if (ret == STMF_PS_SUCCESS && setToken) {
4583 		*setToken = setCnt;
4584 	}
4585 
4586 out:
4587 	/*
4588 	 * Free resources
4589 	 */
4590 	if (handle != NULL) {
4591 		scf_handle_destroy(handle);
4592 	}
4593 	if (svc != NULL) {
4594 		scf_service_destroy(svc);
4595 	}
4596 	if (pg != NULL) {
4597 		scf_pg_destroy(pg);
4598 	}
4599 	if (prop != NULL) {
4600 		scf_property_destroy(prop);
4601 	}
4602 	if (tran != NULL) {
4603 		scf_transaction_destroy(tran);
4604 	}
4605 	for (i = 0; i < addEntryAlloc; i++) {
4606 		scf_entry_destroy(addEntry[i]);
4607 	}
4608 	for (i = 0; i < addValueAlloc; i++) {
4609 		scf_value_destroy(addValue[i]);
4610 	}
4611 	free(addValue);
4612 	free(addEntry);
4613 	for (i = 0; i < deleteEntryAlloc; i++) {
4614 		scf_entry_destroy(deleteEntry[i]);
4615 	}
4616 	free(deleteEntry);
4617 	if (entry1 != NULL) {
4618 		scf_entry_destroy(entry1);
4619 	}
4620 	if (entry2 != NULL) {
4621 		scf_entry_destroy(entry2);
4622 	}
4623 	if (entry3 != NULL) {
4624 		scf_entry_destroy(entry3);
4625 	}
4626 	if (entry5 != NULL) {
4627 		scf_entry_destroy(entry5);
4628 	}
4629 	if (value1 != NULL) {
4630 		scf_value_destroy(value1);
4631 	}
4632 	if (value2 != NULL) {
4633 		scf_value_destroy(value2);
4634 	}
4635 	if (value3 != NULL) {
4636 		scf_value_destroy(value3);
4637 	}
4638 	if (value4 != NULL) {
4639 		scf_value_destroy(value4);
4640 	}
4641 	if (value5 != NULL) {
4642 		scf_value_destroy(value5);
4643 	}
4644 	if (nvlistEncoded != NULL) {
4645 		free(nvlistEncoded);
4646 	}
4647 
4648 	return (ret);
4649 }
4650 
4651 /*
4652  * psGetViewEntry
4653  *
4654  * Purpose: Get a single view entry based on the logical unit identifier and
4655  *          view entry index
4656  *
4657  * lu - logical unit identifier
4658  * viewEntryIndex - index of view entry
4659  * ve - caller allocated stmfViewEntry structure. On success, this will
4660  *      contain the retrieved view entry
4661  */
4662 int
4663 psGetViewEntry(stmfGuid *lu, uint32_t viewEntryIndex, stmfViewEntry *ve)
4664 {
4665 	scf_handle_t	*handle = NULL;
4666 	scf_service_t	*svc = NULL;
4667 	scf_propertygroup_t	*pg = NULL;
4668 	char guidAsciiBuf[33]; /* size of ascii hex 16 byte guid with NULL */
4669 	char viewEntryPgName[VIEW_ENTRY_PG_SIZE];
4670 	char luPgName[LOGICAL_UNIT_PG_SIZE];
4671 	int ret = STMF_PS_SUCCESS;
4672 
4673 	ret = iPsInit(&handle, &svc);
4674 	if (ret != STMF_PS_SUCCESS) {
4675 		goto out;
4676 	}
4677 
4678 	pg = scf_pg_create(handle);
4679 	if (pg == NULL) {
4680 		syslog(LOG_ERR, "scf pg alloc failed - %s",
4681 		    scf_strerror(scf_error()));
4682 		ret = STMF_PS_ERROR;
4683 		goto out;
4684 	}
4685 
4686 	/* Convert to ASCII uppercase hexadecimal string */
4687 	(void) snprintf(guidAsciiBuf, sizeof (guidAsciiBuf),
4688 	    "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
4689 	    lu->guid[0], lu->guid[1], lu->guid[2], lu->guid[3], lu->guid[4],
4690 	    lu->guid[5], lu->guid[6], lu->guid[7], lu->guid[8], lu->guid[9],
4691 	    lu->guid[10], lu->guid[11], lu->guid[12], lu->guid[13],
4692 	    lu->guid[14], lu->guid[15]);
4693 
4694 	(void) snprintf(luPgName, sizeof (luPgName), "%s-%s",
4695 	    STMF_LU_PREFIX, guidAsciiBuf);
4696 
4697 	/*
4698 	 * Format of view entry property group name:
4699 	 *	VE-<view_entry_index>-<lu_name>
4700 	 */
4701 	(void) snprintf(viewEntryPgName, sizeof (viewEntryPgName),
4702 	    "%s-%d-%s", STMF_VE_PREFIX, viewEntryIndex, guidAsciiBuf);
4703 
4704 	if (scf_service_get_pg(svc, viewEntryPgName, pg) == -1) {
4705 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
4706 			ret = STMF_PS_ERROR_NOT_FOUND;
4707 		} else {
4708 			syslog(LOG_ERR, "get pg failed - %s",
4709 			    scf_strerror(scf_error()));
4710 			ret = STMF_PS_ERROR;
4711 		}
4712 		goto out;
4713 	}
4714 
4715 
4716 	if ((ret = iPsGetViewEntry(viewEntryPgName, ve)) != STMF_PS_SUCCESS) {
4717 		ret = STMF_PS_ERROR;
4718 		goto out;
4719 	}
4720 
4721 out:
4722 	/*
4723 	 * Free resources
4724 	 */
4725 	if (handle != NULL) {
4726 		scf_handle_destroy(handle);
4727 	}
4728 	if (svc != NULL) {
4729 		scf_service_destroy(svc);
4730 	}
4731 	if (pg != NULL) {
4732 		scf_pg_destroy(pg);
4733 	}
4734 
4735 	return (ret);
4736 }
4737 
4738 /*
4739  * psRemoveViewEntry
4740  *
4741  * Remove a view entry
4742  *
4743  * luGuid - identifier of logical unit from which to remove view entry
4744  * viewEntryIndex - view entry name to remove
4745  *
4746  * returns:
4747  *  STMF_PS_SUCCESS on success
4748  *  STMF_PS_ERROR_* on failure
4749  */
4750 int
4751 psRemoveViewEntry(stmfGuid *lu, uint32_t viewEntryIndex)
4752 {
4753 	scf_handle_t	*handle = NULL;
4754 	scf_service_t	*svc = NULL;
4755 	scf_propertygroup_t	*pg = NULL;
4756 	char guidAsciiBuf[33]; /* size of ascii hex 16 byte guid with NULL */
4757 	char viewEntryPgName[VIEW_ENTRY_PG_SIZE];
4758 	char luPgName[LOGICAL_UNIT_PG_SIZE];
4759 	int ret = STMF_PS_SUCCESS;
4760 	sigset_t sigmaskRestore;
4761 
4762 	/* grab the signal hold lock */
4763 	(void) pthread_mutex_lock(&sigSetLock);
4764 
4765 	/*
4766 	 * hold signals until we're done
4767 	 */
4768 	if (holdSignal(&sigmaskRestore) != 0) {
4769 		(void) pthread_mutex_unlock(&sigSetLock);
4770 		return (STMF_PS_ERROR);
4771 	}
4772 
4773 	ret = iPsInit(&handle, &svc);
4774 	if (ret != STMF_PS_SUCCESS) {
4775 		goto out;
4776 	}
4777 
4778 	pg = scf_pg_create(handle);
4779 	if (pg == NULL) {
4780 		syslog(LOG_ERR, "scf pg alloc failed - %s",
4781 		    scf_strerror(scf_error()));
4782 		ret = STMF_PS_ERROR;
4783 		goto out;
4784 	}
4785 
4786 	/* Convert to ASCII uppercase hexadecimal string */
4787 	(void) snprintf(guidAsciiBuf, sizeof (guidAsciiBuf),
4788 	    "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
4789 	    lu->guid[0], lu->guid[1], lu->guid[2], lu->guid[3], lu->guid[4],
4790 	    lu->guid[5], lu->guid[6], lu->guid[7], lu->guid[8], lu->guid[9],
4791 	    lu->guid[10], lu->guid[11], lu->guid[12], lu->guid[13],
4792 	    lu->guid[14], lu->guid[15]);
4793 
4794 	(void) snprintf(luPgName, sizeof (luPgName), "%s-%s",
4795 	    STMF_LU_PREFIX, guidAsciiBuf);
4796 
4797 	/*
4798 	 * Format of view entry property group name:
4799 	 *	VE-<view_entry_index>-<lu_name>
4800 	 */
4801 	(void) snprintf(viewEntryPgName, sizeof (viewEntryPgName),
4802 	    "%s-%d-%s", STMF_VE_PREFIX, viewEntryIndex, guidAsciiBuf);
4803 
4804 	if (scf_service_get_pg(svc, viewEntryPgName, pg) == -1) {
4805 		if (scf_error() == SCF_ERROR_NOT_FOUND) {
4806 			ret = STMF_PS_ERROR_NOT_FOUND;
4807 		} else {
4808 			syslog(LOG_ERR, "get pg failed - %s",
4809 			    scf_strerror(scf_error()));
4810 			ret = STMF_PS_ERROR;
4811 		}
4812 		goto out;
4813 	}
4814 
4815 	/*
4816 	 * update the logical unit property group to remove
4817 	 * the view entry and update the view entry count
4818 	 * If it fails, we won't delete the property group so that
4819 	 * we maintain consistency.
4820 	 */
4821 	if ((ret = iPsAddRemoveLuViewEntry(luPgName, viewEntryPgName,
4822 	    REMOVE)) != STMF_PS_SUCCESS) {
4823 		goto out;
4824 	}
4825 
4826 	/*
4827 	 * Delete the view entry. If this fails, we should try to add
4828 	 * the logical unit view entry property group back otherwise
4829 	 * we're inconsistent.
4830 	 */
4831 	if (scf_pg_delete(pg) == -1) {
4832 		syslog(LOG_ERR, "delete pg failed - %s",
4833 		    scf_strerror(scf_error()));
4834 		if ((ret = iPsAddRemoveLuViewEntry(luPgName, viewEntryPgName,
4835 		    ADD)) != STMF_PS_SUCCESS) {
4836 			syslog(LOG_ERR, "add of view entry failed, possible"
4837 			    "inconsistency - %s", scf_strerror(scf_error()));
4838 		}
4839 		ret = STMF_PS_ERROR;
4840 		goto out;
4841 	}
4842 
4843 out:
4844 	/*
4845 	 * Okay, we're done. Release the signals
4846 	 */
4847 	if (releaseSignal(&sigmaskRestore) != 0) {
4848 		/*
4849 		 * Don't set this as an STMF_PS_ERROR_*. We succeeded
4850 		 * the requested operation. But we do need to log it.
4851 		 */
4852 		syslog(LOG_ERR, "Unable to release one or more signals - %s",
4853 		    strerror(errno));
4854 	}
4855 
4856 	/*
4857 	 * Free resources
4858 	 */
4859 	if (handle != NULL) {
4860 		scf_handle_destroy(handle);
4861 	}
4862 	if (svc != NULL) {
4863 		scf_service_destroy(svc);
4864 	}
4865 	if (pg != NULL) {
4866 		scf_pg_destroy(pg);
4867 	}
4868 
4869 	/* release the signal hold lock */
4870 	(void) pthread_mutex_unlock(&sigSetLock);
4871 
4872 	return (ret);
4873 }
4874 
4875 
4876 
4877 /*
4878  * holdSignal
4879  *
4880  * Hold SIGINT, SIGTERM, SIGQUIT until further notice.
4881  *
4882  * Saves old signal mask on a per thread basis
4883  * and saves action for the process.
4884  *
4885  * Installs action for above signals.
4886  *
4887  * locks held: sigSetLock
4888  *
4889  * returns:
4890  *  0 on success
4891  *  non-zero otherwise
4892  */
4893 static int
4894 holdSignal(sigset_t *sigmaskRestore)
4895 {
4896 	struct sigaction act;
4897 	sigset_t sigmask;
4898 
4899 	/*
4900 	 * Return existing signal mask for this thread
4901 	 */
4902 	if (pthread_sigmask(0, NULL, sigmaskRestore) != 0) {
4903 		return (1);
4904 	}
4905 
4906 	(void) sigemptyset(&act.sa_mask);
4907 	act.sa_handler = sigHandler;
4908 	act.sa_flags = 0;
4909 
4910 	/*
4911 	 * Have we set the actions for the signals we want to catch?
4912 	 */
4913 	if (!actionSet) {
4914 		if (sigaction(SIGQUIT, &act, &currentActionQuit) != 0) {
4915 			return (1);
4916 		}
4917 
4918 		if (sigaction(SIGINT, &act, &currentActionInt) != 0) {
4919 			return (1);
4920 		}
4921 
4922 		if (sigaction(SIGTERM, &act, &currentActionTerm) != 0) {
4923 			return (1);
4924 		}
4925 
4926 		actionSet = B_TRUE;
4927 	}
4928 
4929 	/*
4930 	 * We still need to change the mask for the current thread
4931 	 */
4932 	if (sigfillset(&sigmask) != 0) {
4933 		return (1);
4934 	}
4935 
4936 	(void) sigdelset(&sigmask, SIGQUIT);
4937 
4938 	(void) sigdelset(&sigmask, SIGINT);
4939 
4940 	(void) sigdelset(&sigmask, SIGTERM);
4941 
4942 	if (pthread_sigmask(SIG_SETMASK, &sigmask, NULL) != 0) {
4943 		return (1);
4944 	}
4945 
4946 	return (0);
4947 }
4948 
4949 /*
4950  * releaseSignal
4951  *
4952  * Re-install the original signal mask and signal actions
4953  *
4954  * Also, raise any signals that were caught during the hold period and clear
4955  * the signal from the caught set (signalsCaught).
4956  *
4957  * locks held: sigSetLock
4958  *
4959  * Returns
4960  *  0 on success
4961  *  non-zero otherwise
4962  */
4963 static int
4964 releaseSignal(sigset_t *sigmaskRestore)
4965 {
4966 	int ret = 0;
4967 
4968 	if (sigaction(SIGQUIT, &currentActionQuit, NULL) != 0) {
4969 		ret = 1;
4970 	}
4971 
4972 	if (sigaction(SIGINT, &currentActionInt, NULL) != 0) {
4973 		ret = 1;
4974 	}
4975 
4976 	if (sigaction(SIGTERM, &currentActionTerm, NULL) != 0) {
4977 		ret = 1;
4978 	}
4979 
4980 	actionSet = B_FALSE;
4981 
4982 	/*
4983 	 * Restore previous signal mask for this thread
4984 	 */
4985 	if (pthread_sigmask(SIG_SETMASK, sigmaskRestore, NULL) != 0) {
4986 		syslog(LOG_ERR, "Unable to restore sigmask");
4987 	}
4988 
4989 	/*
4990 	 * Now raise signals that were raised while we were held
4991 	 */
4992 	if (sigismember(&signalsCaught, SIGTERM)) {
4993 		(void) sigdelset(&signalsCaught, SIGTERM);
4994 		(void) raise(SIGTERM);
4995 	}
4996 
4997 	if (sigismember(&signalsCaught, SIGINT)) {
4998 		(void) sigdelset(&signalsCaught, SIGINT);
4999 		(void) raise(SIGINT);
5000 	}
5001 
5002 	if (sigismember(&signalsCaught, SIGQUIT)) {
5003 		(void) sigdelset(&signalsCaught, SIGQUIT);
5004 		(void) raise(SIGQUIT);
5005 	}
5006 
5007 	return (ret);
5008 }
5009