xref: /titanic_51/usr/src/lib/libstmf/common/stmf.c (revision be4c8f742bc67a43d01e3ea82a814b7d6503dbfd)
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 2010 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <stdlib.h>
27 #include <stdio.h>
28 #include <wchar.h>
29 #include <strings.h>
30 #include <sys/types.h>
31 #include <sys/stat.h>
32 #include <fcntl.h>
33 #include <unistd.h>
34 #include <libintl.h>
35 #include <errno.h>
36 #include <string.h>
37 #include <assert.h>
38 #include <libnvpair.h>
39 #include <pthread.h>
40 #include <syslog.h>
41 #include <libstmf.h>
42 #include <netinet/in.h>
43 #include <inttypes.h>
44 #include <store.h>
45 #include <locale.h>
46 #include <math.h>
47 #include <libstmf_impl.h>
48 #include <sys/stmf_ioctl.h>
49 #include <sys/stmf_sbd_ioctl.h>
50 #include <sys/pppt_ioctl.h>
51 #include <macros.h>
52 
53 #define	STMF_PATH    "/devices/pseudo/stmf@0:admin"
54 #define	SBD_PATH    "/devices/pseudo/stmf_sbd@0:admin"
55 #define	PPPT_PATH    "/devices/pseudo/pppt@0:pppt"
56 
57 #define	EUI "eui."
58 #define	WWN "wwn."
59 #define	IQN "iqn."
60 #define	LU_ASCII_GUID_SIZE 32
61 #define	LU_GUID_SIZE 16
62 #define	OUI_ASCII_SIZE 6
63 #define	HOST_ID_ASCII_SIZE 8
64 #define	OUI_SIZE 3
65 #define	HOST_ID_SIZE 4
66 #define	IDENT_LENGTH_BYTE 3
67 
68 /* various initial allocation values */
69 #define	ALLOC_LU		8192
70 #define	ALLOC_TARGET_PORT	2048
71 #define	ALLOC_PROVIDER		64
72 #define	ALLOC_GROUP		2048
73 #define	ALLOC_SESSION		2048
74 #define	ALLOC_VE		256
75 #define	ALLOC_PP_DATA_SIZE	128*1024
76 #define	ALLOC_GRP_MEMBER	256
77 
78 #define	MAX_ISCSI_NAME	223
79 #define	MAX_SERIAL_SIZE 252 + 1
80 #define	MAX_LU_ALIAS_SIZE 256
81 #define	MAX_SBD_PROPS	MAXPATHLEN + MAX_SERIAL_SIZE + MAX_LU_ALIAS_SIZE
82 
83 #define	OPEN_STMF 0
84 #define	OPEN_EXCL_STMF O_EXCL
85 
86 #define	OPEN_SBD 0
87 #define	OPEN_EXCL_SBD O_EXCL
88 
89 #define	OPEN_PPPT 0
90 #define	OPEN_EXCL_PPPT O_EXCL
91 
92 #define	LOGICAL_UNIT_TYPE 0
93 #define	TARGET_TYPE 1
94 #define	STMF_SERVICE_TYPE 2
95 
96 #define	HOST_GROUP   1
97 #define	TARGET_GROUP 2
98 
99 /* set default persistence here */
100 #define	STMF_DEFAULT_PERSIST	STMF_PERSIST_SMF
101 
102 #define	MAX_PROVIDER_RETRY 30
103 
104 static int openStmf(int, int *fd);
105 static int openSbd(int, int *fd);
106 static int openPppt(int, int *fd);
107 static int groupIoctl(int fd, int cmd, stmfGroupName *);
108 static int loadStore(int fd);
109 static int initializeConfig();
110 static int groupMemberIoctl(int fd, int cmd, stmfGroupName *, stmfDevid *);
111 static int guidCompare(const void *, const void *);
112 static int addViewEntryIoctl(int fd, stmfGuid *, stmfViewEntry *);
113 static int loadHostGroups(int fd, stmfGroupList *);
114 static int loadTargetGroups(int fd, stmfGroupList *);
115 static int getStmfState(stmf_state_desc_t *);
116 static int setStmfState(int fd, stmf_state_desc_t *, int);
117 static int setProviderData(int fd, char *, nvlist_t *, int, uint64_t *);
118 static int createDiskResource(luResourceImpl *);
119 static int createDiskLu(diskResource *, stmfGuid *);
120 static int deleteDiskLu(stmfGuid *luGuid);
121 static int getDiskProp(luResourceImpl *, uint32_t, char *, size_t *);
122 static int getDiskAllProps(stmfGuid *luGuid, luResource *hdl);
123 static int loadDiskPropsFromDriver(luResourceImpl *, sbd_lu_props_t *);
124 static int removeGuidFromDiskStore(stmfGuid *);
125 static int addGuidToDiskStore(stmfGuid *, char *);
126 static int persistDiskGuid(stmfGuid *, char *, boolean_t);
127 static int setDiskProp(luResourceImpl *, uint32_t, const char *);
128 static int getDiskGlobalProp(uint32_t prop, char *propVal, size_t *propLen);
129 static int checkHexUpper(char *);
130 static int strToShift(const char *);
131 static int niceStrToNum(const char *, uint64_t *);
132 static void diskError(uint32_t, int *);
133 static int importDiskLu(char *fname, stmfGuid *);
134 static int modifyDiskLu(diskResource *, stmfGuid *, const char *);
135 static int modifyDiskLuProp(stmfGuid *, const char *, uint32_t, const char *);
136 static int validateModifyDiskProp(uint32_t);
137 static uint8_t iGetPersistMethod();
138 static int groupListIoctl(stmfGroupList **, int);
139 static int iLoadGroupFromPs(stmfGroupList **, int);
140 static int groupMemberListIoctl(stmfGroupName *, stmfGroupProperties **, int);
141 static int getProviderData(char *, nvlist_t **, int, uint64_t *);
142 static int setDiskStandby(stmfGuid *luGuid);
143 static int setDiskGlobalProp(uint32_t, const char *);
144 static int viewEntryCompare(const void *, const void *);
145 static void deleteNonActiveLus();
146 
147 static pthread_mutex_t persistenceTypeLock = PTHREAD_MUTEX_INITIALIZER;
148 static int iPersistType = 0;
149 /* when B_TRUE, no need to access SMF anymore. Just use iPersistType */
150 static boolean_t iLibSetPersist = B_FALSE;
151 
152 /*
153  * Open for stmf module
154  *
155  * flag - open flag (OPEN_STMF, OPEN_EXCL_STMF)
156  * fd - pointer to integer. On success, contains the stmf file descriptor
157  */
158 static int
159 openStmf(int flag, int *fd)
160 {
161 	int ret = STMF_STATUS_ERROR;
162 
163 	if ((*fd = open(STMF_PATH, O_NDELAY | O_RDONLY | flag)) != -1) {
164 		ret = STMF_STATUS_SUCCESS;
165 	} else {
166 		if (errno == EBUSY) {
167 			ret = STMF_ERROR_BUSY;
168 		} else if (errno == EACCES) {
169 			ret = STMF_ERROR_PERM;
170 		} else {
171 			ret = STMF_STATUS_ERROR;
172 		}
173 		syslog(LOG_DEBUG, "openStmf:open failure:%s:errno(%d)",
174 		    STMF_PATH, errno);
175 	}
176 
177 	return (ret);
178 }
179 
180 /*
181  * Open for sbd module
182  *
183  * flag - open flag (OPEN_SBD, OPEN_EXCL_SBD)
184  * fd - pointer to integer. On success, contains the stmf file descriptor
185  */
186 static int
187 openSbd(int flag, int *fd)
188 {
189 	int ret = STMF_STATUS_ERROR;
190 
191 	if ((*fd = open(SBD_PATH, O_NDELAY | O_RDONLY | flag)) != -1) {
192 		ret = STMF_STATUS_SUCCESS;
193 	} else {
194 		if (errno == EBUSY) {
195 			ret = STMF_ERROR_BUSY;
196 		} else if (errno == EACCES) {
197 			ret = STMF_ERROR_PERM;
198 		} else {
199 			ret = STMF_STATUS_ERROR;
200 		}
201 		syslog(LOG_DEBUG, "openSbd:open failure:%s:errno(%d)",
202 		    SBD_PATH, errno);
203 	}
204 
205 	return (ret);
206 }
207 
208 /*
209  * Open for pppt module
210  *
211  * flag - open flag (OPEN_PPPT, OPEN_EXCL_PPPT)
212  * fd - pointer to integer. On success, contains the stmf file descriptor
213  */
214 static int
215 openPppt(int flag, int *fd)
216 {
217 	int ret = STMF_STATUS_ERROR;
218 
219 	if ((*fd = open(PPPT_PATH, O_RDONLY | flag)) != -1) {
220 		ret = STMF_STATUS_SUCCESS;
221 	} else {
222 		if (errno == EBUSY) {
223 			ret = STMF_ERROR_BUSY;
224 		} else if (errno == EACCES) {
225 			ret = STMF_ERROR_PERM;
226 		} else {
227 			ret = STMF_STATUS_ERROR;
228 		}
229 		syslog(LOG_DEBUG, "openPppt:open failure:%s:errno(%d)",
230 		    PPPT_PATH, errno);
231 	}
232 
233 	return (ret);
234 }
235 
236 /*
237  * initializeConfig
238  *
239  * This routine should be called before any ioctl requiring initialization
240  * which is basically everything except stmfGetState(), setStmfState() and
241  * stmfLoadConfig().
242  */
243 static int
244 initializeConfig()
245 {
246 	int ret;
247 	stmfState state;
248 
249 
250 	ret = stmfGetState(&state);
251 	if (ret != STMF_STATUS_SUCCESS) {
252 		return (ret);
253 	}
254 
255 	/* if we've already initialized or in the process, return success */
256 	if (state.configState == STMF_CONFIG_STATE_INIT_DONE ||
257 	    state.configState == STMF_CONFIG_STATE_INIT) {
258 		return (STMF_STATUS_SUCCESS);
259 	}
260 
261 	ret = stmfLoadConfig();
262 	if (ret != STMF_STATUS_SUCCESS) {
263 		syslog(LOG_DEBUG,
264 		    "initializeConfig:stmfLoadConfig:error(%d)", ret);
265 		return (ret);
266 	}
267 
268 	ret = stmfGetState(&state);
269 	if (ret != STMF_STATUS_SUCCESS) {
270 		syslog(LOG_DEBUG,
271 		    "initializeConfig:stmfGetState:error(%d)", ret);
272 		return (ret);
273 	}
274 
275 	if (state.configState != STMF_CONFIG_STATE_INIT_DONE) {
276 		syslog(LOG_DEBUG, "initializeConfig:state.configState(%d)",
277 		    state.configState);
278 		ret = STMF_STATUS_ERROR;
279 	}
280 
281 	return (ret);
282 }
283 
284 
285 /*
286  * groupIoctl
287  *
288  * Purpose: issue ioctl for create/delete on group
289  *
290  * cmd - valid STMF ioctl group cmd
291  * groupName - groupName to create or delete
292  */
293 static int
294 groupIoctl(int fd, int cmd, stmfGroupName *groupName)
295 {
296 	int ret = STMF_STATUS_SUCCESS;
297 	int ioctlRet;
298 	stmf_iocdata_t stmfIoctl;
299 	stmf_group_name_t iGroupName;
300 
301 	bzero(&iGroupName, sizeof (iGroupName));
302 
303 	bcopy(groupName, &iGroupName.name, strlen((char *)groupName));
304 
305 	iGroupName.name_size = strlen((char *)groupName);
306 
307 	bzero(&stmfIoctl, sizeof (stmfIoctl));
308 	/*
309 	 * Issue ioctl to create the host group
310 	 */
311 	stmfIoctl.stmf_version = STMF_VERSION_1;
312 	stmfIoctl.stmf_ibuf_size = sizeof (iGroupName);
313 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&iGroupName;
314 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
315 	if (ioctlRet != 0) {
316 		switch (errno) {
317 			case EPERM:
318 			case EACCES:
319 				ret = STMF_ERROR_PERM;
320 				break;
321 			default:
322 				switch (stmfIoctl.stmf_error) {
323 					case STMF_IOCERR_TG_EXISTS:
324 					case STMF_IOCERR_HG_EXISTS:
325 						ret = STMF_ERROR_EXISTS;
326 						break;
327 					case STMF_IOCERR_TG_IN_USE:
328 					case STMF_IOCERR_HG_IN_USE:
329 						ret = STMF_ERROR_GROUP_IN_USE;
330 						break;
331 					case STMF_IOCERR_INVALID_HG:
332 					case STMF_IOCERR_INVALID_TG:
333 						ret = STMF_ERROR_NOT_FOUND;
334 						break;
335 					default:
336 						syslog(LOG_DEBUG,
337 						    "groupIoctl:error(%d)",
338 						    stmfIoctl.stmf_error);
339 						ret = STMF_STATUS_ERROR;
340 						break;
341 				}
342 				break;
343 		}
344 	}
345 done:
346 	return (ret);
347 }
348 
349 /*
350  * groupMemberIoctl
351  *
352  * Purpose: issue ioctl for add/remove member on group
353  *
354  * cmd - valid STMF ioctl group member cmd
355  * groupName - groupName to add to or remove from
356  * devid - group member to add or remove
357  */
358 static int
359 groupMemberIoctl(int fd, int cmd, stmfGroupName *groupName, stmfDevid *devid)
360 {
361 	int ret = STMF_STATUS_SUCCESS;
362 	int ioctlRet;
363 	stmf_iocdata_t stmfIoctl;
364 	stmf_group_op_data_t stmfGroupData;
365 
366 	bzero(&stmfGroupData, sizeof (stmfGroupData));
367 
368 	bcopy(groupName, &stmfGroupData.group.name, strlen((char *)groupName));
369 
370 	stmfGroupData.group.name_size = strlen((char *)groupName);
371 	stmfGroupData.ident[IDENT_LENGTH_BYTE] = devid->identLength;
372 	bcopy(&(devid->ident), &stmfGroupData.ident[IDENT_LENGTH_BYTE + 1],
373 	    devid->identLength);
374 
375 	bzero(&stmfIoctl, sizeof (stmfIoctl));
376 	/*
377 	 * Issue ioctl to add to the host group
378 	 */
379 	stmfIoctl.stmf_version = STMF_VERSION_1;
380 	stmfIoctl.stmf_ibuf_size = sizeof (stmfGroupData);
381 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&stmfGroupData;
382 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
383 	if (ioctlRet != 0) {
384 		switch (errno) {
385 			case EBUSY:
386 				switch (stmfIoctl.stmf_error) {
387 					case STMF_IOCERR_TG_NEED_TG_OFFLINE:
388 						ret = STMF_ERROR_TG_ONLINE;
389 						break;
390 					default:
391 						ret = STMF_ERROR_BUSY;
392 						break;
393 				}
394 				break;
395 			case EPERM:
396 			case EACCES:
397 				ret = STMF_ERROR_PERM;
398 				break;
399 			default:
400 				switch (stmfIoctl.stmf_error) {
401 					case STMF_IOCERR_TG_ENTRY_EXISTS:
402 					case STMF_IOCERR_HG_ENTRY_EXISTS:
403 						ret = STMF_ERROR_EXISTS;
404 						break;
405 					case STMF_IOCERR_INVALID_TG_ENTRY:
406 					case STMF_IOCERR_INVALID_HG_ENTRY:
407 						ret =
408 						    STMF_ERROR_MEMBER_NOT_FOUND;
409 						break;
410 					case STMF_IOCERR_INVALID_TG:
411 					case STMF_IOCERR_INVALID_HG:
412 						ret =
413 						    STMF_ERROR_GROUP_NOT_FOUND;
414 						break;
415 					default:
416 						syslog(LOG_DEBUG,
417 						    "groupMemberIoctl:error"
418 						    "(%d)",
419 						    stmfIoctl.stmf_error);
420 						ret = STMF_STATUS_ERROR;
421 						break;
422 				}
423 				break;
424 		}
425 	}
426 done:
427 	return (ret);
428 }
429 
430 /*
431  * qsort function
432  * sort on veIndex
433  */
434 static int
435 viewEntryCompare(const void *p1, const void *p2)
436 {
437 
438 	stmfViewEntry *v1 = (stmfViewEntry *)p1, *v2 = (stmfViewEntry *)p2;
439 	if (v1->veIndex > v2->veIndex)
440 		return (1);
441 	if (v1->veIndex < v2->veIndex)
442 		return (-1);
443 	return (0);
444 }
445 
446 /*
447  * guidCompare
448  *
449  * qsort function
450  * sort on guid
451  */
452 static int
453 guidCompare(const void *p1, const void *p2)
454 {
455 
456 	stmfGuid *g1 = (stmfGuid *)p1, *g2 = (stmfGuid *)p2;
457 	int i;
458 
459 	for (i = 0; i < sizeof (stmfGuid); i++) {
460 		if (g1->guid[i] > g2->guid[i])
461 			return (1);
462 		if (g1->guid[i] < g2->guid[i])
463 			return (-1);
464 	}
465 
466 	return (0);
467 }
468 
469 /*
470  * stmfAddToHostGroup
471  *
472  * Purpose: Adds an initiator to an existing host group
473  *
474  * hostGroupName - name of an existing host group
475  * hostName - name of initiator to add
476  */
477 int
478 stmfAddToHostGroup(stmfGroupName *hostGroupName, stmfDevid *hostName)
479 {
480 	int ret;
481 	int fd;
482 
483 	if (hostGroupName == NULL ||
484 	    (strnlen((char *)hostGroupName, sizeof (stmfGroupName))
485 	    == sizeof (stmfGroupName)) || hostName == NULL) {
486 		return (STMF_ERROR_INVALID_ARG);
487 	}
488 
489 	/* call init */
490 	ret = initializeConfig();
491 	if (ret != STMF_STATUS_SUCCESS) {
492 		return (ret);
493 	}
494 
495 	/*
496 	 * Open control node for stmf
497 	 */
498 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
499 		return (ret);
500 
501 	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_HG_ENTRY, hostGroupName,
502 	    hostName)) != STMF_STATUS_SUCCESS) {
503 		goto done;
504 	}
505 
506 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
507 		goto done;
508 	}
509 
510 	ret = psAddHostGroupMember((char *)hostGroupName,
511 	    (char *)hostName->ident);
512 	switch (ret) {
513 		case STMF_PS_SUCCESS:
514 			ret = STMF_STATUS_SUCCESS;
515 			break;
516 		case STMF_PS_ERROR_EXISTS:
517 			ret = STMF_ERROR_EXISTS;
518 			break;
519 		case STMF_PS_ERROR_GROUP_NOT_FOUND:
520 			ret = STMF_ERROR_GROUP_NOT_FOUND;
521 			break;
522 		case STMF_PS_ERROR_BUSY:
523 			ret = STMF_ERROR_BUSY;
524 			break;
525 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
526 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
527 			break;
528 		case STMF_PS_ERROR_VERSION_MISMATCH:
529 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
530 			break;
531 		default:
532 			syslog(LOG_DEBUG,
533 			    "stmfAddToHostGroup:psAddHostGroupMember:error(%d)",
534 			    ret);
535 			ret = STMF_STATUS_ERROR;
536 			break;
537 	}
538 
539 done:
540 	(void) close(fd);
541 	return (ret);
542 }
543 
544 /*
545  * stmfAddToTargetGroup
546  *
547  * Purpose: Adds a local port to an existing target group
548  *
549  * targetGroupName - name of an existing target group
550  * targetName - name of target to add
551  */
552 int
553 stmfAddToTargetGroup(stmfGroupName *targetGroupName, stmfDevid *targetName)
554 {
555 	int ret;
556 	int fd;
557 
558 	if (targetGroupName == NULL ||
559 	    (strnlen((char *)targetGroupName, sizeof (stmfGroupName))
560 	    == sizeof (stmfGroupName)) || targetName == NULL) {
561 		return (STMF_ERROR_INVALID_ARG);
562 	}
563 
564 	/* call init */
565 	ret = initializeConfig();
566 	if (ret != STMF_STATUS_SUCCESS) {
567 		return (ret);
568 	}
569 
570 	/*
571 	 * Open control node for stmf
572 	 */
573 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
574 		return (ret);
575 
576 	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_TG_ENTRY,
577 	    targetGroupName, targetName)) != STMF_STATUS_SUCCESS) {
578 		goto done;
579 	}
580 
581 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
582 		goto done;
583 	}
584 
585 	ret = psAddTargetGroupMember((char *)targetGroupName,
586 	    (char *)targetName->ident);
587 	switch (ret) {
588 		case STMF_PS_SUCCESS:
589 			ret = STMF_STATUS_SUCCESS;
590 			break;
591 		case STMF_PS_ERROR_EXISTS:
592 			ret = STMF_ERROR_EXISTS;
593 			break;
594 		case STMF_PS_ERROR_GROUP_NOT_FOUND:
595 			ret = STMF_ERROR_GROUP_NOT_FOUND;
596 			break;
597 		case STMF_PS_ERROR_BUSY:
598 			ret = STMF_ERROR_BUSY;
599 			break;
600 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
601 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
602 			break;
603 		case STMF_PS_ERROR_VERSION_MISMATCH:
604 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
605 			break;
606 		default:
607 			syslog(LOG_DEBUG,
608 			    "stmfAddToTargetGroup:psAddTargetGroupMember:"
609 			    "error(%d)", ret);
610 			ret = STMF_STATUS_ERROR;
611 			break;
612 	}
613 
614 done:
615 	(void) close(fd);
616 	return (ret);
617 }
618 
619 /*
620  * addViewEntryIoctl
621  *
622  * Purpose: Issues ioctl to add a view entry
623  *
624  * lu - Logical Unit identifier to which the view entry is added
625  * viewEntry - view entry to add
626  * init - When set to B_TRUE, we are in the init state, i.e. don't call open
627  */
628 static int
629 addViewEntryIoctl(int fd, stmfGuid *lu, stmfViewEntry *viewEntry)
630 {
631 	int ret = STMF_STATUS_SUCCESS;
632 	int ioctlRet;
633 	stmf_iocdata_t stmfIoctl;
634 	stmf_view_op_entry_t ioctlViewEntry;
635 
636 	bzero(&ioctlViewEntry, sizeof (ioctlViewEntry));
637 	/*
638 	 * don't set ve_ndx or ve_ndx_valid as ve_ndx_valid should be
639 	 * false on input
640 	 */
641 	ioctlViewEntry.ve_lu_number_valid = viewEntry->luNbrValid;
642 	ioctlViewEntry.ve_all_hosts = viewEntry->allHosts;
643 	ioctlViewEntry.ve_all_targets = viewEntry->allTargets;
644 
645 	if (viewEntry->allHosts == B_FALSE) {
646 		bcopy(viewEntry->hostGroup, &ioctlViewEntry.ve_host_group.name,
647 		    sizeof (stmfGroupName));
648 		ioctlViewEntry.ve_host_group.name_size =
649 		    strlen((char *)viewEntry->hostGroup);
650 	}
651 	if (viewEntry->allTargets == B_FALSE) {
652 		bcopy(viewEntry->targetGroup,
653 		    &ioctlViewEntry.ve_target_group.name,
654 		    sizeof (stmfGroupName));
655 		ioctlViewEntry.ve_target_group.name_size =
656 		    strlen((char *)viewEntry->targetGroup);
657 	}
658 	if (viewEntry->luNbrValid) {
659 		bcopy(viewEntry->luNbr, &ioctlViewEntry.ve_lu_nbr,
660 		    sizeof (ioctlViewEntry.ve_lu_nbr));
661 	}
662 	bcopy(lu, &ioctlViewEntry.ve_guid, sizeof (stmfGuid));
663 
664 	bzero(&stmfIoctl, sizeof (stmfIoctl));
665 	/*
666 	 * Issue ioctl to add to the view entry
667 	 */
668 	stmfIoctl.stmf_version = STMF_VERSION_1;
669 	stmfIoctl.stmf_ibuf_size = sizeof (ioctlViewEntry);
670 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ioctlViewEntry;
671 	stmfIoctl.stmf_obuf_size = sizeof (ioctlViewEntry);
672 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&ioctlViewEntry;
673 	ioctlRet = ioctl(fd, STMF_IOCTL_ADD_VIEW_ENTRY, &stmfIoctl);
674 	if (ioctlRet != 0) {
675 		switch (errno) {
676 			case EBUSY:
677 				ret = STMF_ERROR_BUSY;
678 				break;
679 			case EPERM:
680 				ret = STMF_ERROR_PERM;
681 				break;
682 			case EACCES:
683 				switch (stmfIoctl.stmf_error) {
684 					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
685 						ret = STMF_ERROR_CONFIG_NONE;
686 						break;
687 					default:
688 						ret = STMF_ERROR_PERM;
689 						break;
690 				}
691 				break;
692 			default:
693 				switch (stmfIoctl.stmf_error) {
694 					case STMF_IOCERR_LU_NUMBER_IN_USE:
695 						ret = STMF_ERROR_LUN_IN_USE;
696 						break;
697 					case STMF_IOCERR_VIEW_ENTRY_CONFLICT:
698 						ret = STMF_ERROR_VE_CONFLICT;
699 						break;
700 					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
701 						ret = STMF_ERROR_CONFIG_NONE;
702 						break;
703 					case STMF_IOCERR_INVALID_HG:
704 						ret = STMF_ERROR_INVALID_HG;
705 						break;
706 					case STMF_IOCERR_INVALID_TG:
707 						ret = STMF_ERROR_INVALID_TG;
708 						break;
709 					default:
710 						syslog(LOG_DEBUG,
711 						    "addViewEntryIoctl"
712 						    ":error(%d)",
713 						    stmfIoctl.stmf_error);
714 						ret = STMF_STATUS_ERROR;
715 						break;
716 				}
717 				break;
718 		}
719 		goto done;
720 	}
721 
722 	/* copy lu nbr back to caller's view entry on success */
723 	viewEntry->veIndex = ioctlViewEntry.ve_ndx;
724 	if (ioctlViewEntry.ve_lu_number_valid) {
725 		bcopy(&ioctlViewEntry.ve_lu_nbr, viewEntry->luNbr,
726 		    sizeof (ioctlViewEntry.ve_lu_nbr));
727 	}
728 	viewEntry->luNbrValid = B_TRUE;
729 
730 done:
731 	return (ret);
732 }
733 
734 /*
735  * stmfAddViewEntry
736  *
737  * Purpose: Adds a view entry to a logical unit
738  *
739  * lu - guid of the logical unit to which the view entry is added
740  * viewEntry - view entry structure to add
741  */
742 int
743 stmfAddViewEntry(stmfGuid *lu, stmfViewEntry *viewEntry)
744 {
745 	int ret;
746 	int fd;
747 	stmfViewEntry iViewEntry;
748 
749 	if (lu == NULL || viewEntry == NULL) {
750 		return (STMF_ERROR_INVALID_ARG);
751 	}
752 
753 	/* initialize and set internal view entry */
754 	bzero(&iViewEntry, sizeof (iViewEntry));
755 
756 	if (!viewEntry->allHosts) {
757 		bcopy(viewEntry->hostGroup, iViewEntry.hostGroup,
758 		    sizeof (iViewEntry.hostGroup));
759 	} else {
760 		iViewEntry.allHosts = B_TRUE;
761 	}
762 
763 	if (!viewEntry->allTargets) {
764 		bcopy(viewEntry->targetGroup, iViewEntry.targetGroup,
765 		    sizeof (iViewEntry.targetGroup));
766 	} else {
767 		iViewEntry.allTargets = B_TRUE;
768 	}
769 
770 	if (viewEntry->luNbrValid) {
771 		iViewEntry.luNbrValid = B_TRUE;
772 		bcopy(viewEntry->luNbr, iViewEntry.luNbr,
773 		    sizeof (iViewEntry.luNbr));
774 	}
775 
776 	/*
777 	 * set users return view entry index valid flag to false
778 	 * in case of failure
779 	 */
780 	viewEntry->veIndexValid = B_FALSE;
781 
782 	/* Check to ensure service exists */
783 	if (psCheckService() != STMF_STATUS_SUCCESS) {
784 		return (STMF_ERROR_SERVICE_NOT_FOUND);
785 	}
786 
787 	/* call init */
788 	ret = initializeConfig();
789 	if (ret != STMF_STATUS_SUCCESS) {
790 		return (ret);
791 	}
792 
793 	/*
794 	 * Open control node for stmf
795 	 */
796 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
797 		return (ret);
798 
799 	/*
800 	 * First add the view entry to the driver
801 	 */
802 	ret = addViewEntryIoctl(fd, lu, &iViewEntry);
803 	if (ret != STMF_STATUS_SUCCESS) {
804 		goto done;
805 	}
806 
807 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
808 		goto done;
809 	}
810 
811 	/*
812 	 * If the add to driver was successful, add it to the persistent
813 	 * store.
814 	 */
815 	ret = psAddViewEntry(lu, &iViewEntry);
816 	switch (ret) {
817 		case STMF_PS_SUCCESS:
818 			ret = STMF_STATUS_SUCCESS;
819 			break;
820 		case STMF_PS_ERROR_NOT_FOUND:
821 			ret = STMF_ERROR_NOT_FOUND;
822 			break;
823 		case STMF_PS_ERROR_BUSY:
824 			ret = STMF_ERROR_BUSY;
825 			break;
826 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
827 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
828 			break;
829 		case STMF_PS_ERROR_VERSION_MISMATCH:
830 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
831 			break;
832 		default:
833 			syslog(LOG_DEBUG,
834 			    "stmfAddViewEntry:psAddViewEntry:error(%d)", ret);
835 			ret = STMF_STATUS_ERROR;
836 			break;
837 	}
838 
839 done:
840 	(void) close(fd);
841 
842 	if (ret == STMF_STATUS_SUCCESS) {
843 		/* set caller's view entry on success */
844 		viewEntry->veIndexValid = iViewEntry.veIndexValid;
845 		viewEntry->veIndex = iViewEntry.veIndex;
846 		viewEntry->luNbrValid = B_TRUE;
847 		bcopy(iViewEntry.luNbr, viewEntry->luNbr,
848 		    sizeof (iViewEntry.luNbr));
849 	}
850 	return (ret);
851 }
852 
853 /*
854  * stmfClearProviderData
855  *
856  * Purpose: delete all provider data for specified provider
857  *
858  * providerName - name of provider for which data should be deleted
859  */
860 int
861 stmfClearProviderData(char *providerName, int providerType)
862 {
863 	int ret;
864 	int fd;
865 	int ioctlRet;
866 	int savedErrno;
867 	stmf_iocdata_t stmfIoctl;
868 	stmf_ppioctl_data_t ppi;
869 
870 	/* call init */
871 	ret = initializeConfig();
872 	if (ret != STMF_STATUS_SUCCESS) {
873 		return (ret);
874 	}
875 
876 	if (providerName == NULL) {
877 		return (STMF_ERROR_INVALID_ARG);
878 	}
879 
880 	if (providerType != STMF_LU_PROVIDER_TYPE &&
881 	    providerType != STMF_PORT_PROVIDER_TYPE) {
882 		return (STMF_ERROR_INVALID_ARG);
883 	}
884 
885 	/*
886 	 * Open control node for stmf
887 	 */
888 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
889 		return (ret);
890 
891 	bzero(&ppi, sizeof (ppi));
892 
893 	(void) strncpy(ppi.ppi_name, providerName, sizeof (ppi.ppi_name));
894 
895 	switch (providerType) {
896 		case STMF_LU_PROVIDER_TYPE:
897 			ppi.ppi_lu_provider = 1;
898 			break;
899 		case STMF_PORT_PROVIDER_TYPE:
900 			ppi.ppi_port_provider = 1;
901 			break;
902 		default:
903 			ret = STMF_ERROR_INVALID_ARG;
904 			goto done;
905 	}
906 
907 	bzero(&stmfIoctl, sizeof (stmfIoctl));
908 
909 	stmfIoctl.stmf_version = STMF_VERSION_1;
910 	stmfIoctl.stmf_ibuf_size = sizeof (stmf_ppioctl_data_t);
911 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ppi;
912 
913 	ioctlRet = ioctl(fd, STMF_IOCTL_CLEAR_PP_DATA, &stmfIoctl);
914 	if (ioctlRet != 0) {
915 		savedErrno = errno;
916 		switch (savedErrno) {
917 			case EBUSY:
918 				ret = STMF_ERROR_BUSY;
919 				break;
920 			case EPERM:
921 			case EACCES:
922 				ret = STMF_ERROR_PERM;
923 				break;
924 			default:
925 				syslog(LOG_DEBUG,
926 				    "stmfClearProviderData:ioctl error(%d)",
927 				    ioctlRet);
928 				ret = STMF_STATUS_ERROR;
929 				break;
930 		}
931 		if (savedErrno != ENOENT) {
932 			goto done;
933 		}
934 	}
935 
936 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
937 		goto done;
938 	}
939 
940 	ret = psClearProviderData(providerName, providerType);
941 	switch (ret) {
942 		case STMF_PS_SUCCESS:
943 			ret = STMF_STATUS_SUCCESS;
944 			break;
945 		case STMF_PS_ERROR_NOT_FOUND:
946 			ret = STMF_ERROR_NOT_FOUND;
947 			break;
948 		case STMF_PS_ERROR_BUSY:
949 			ret = STMF_ERROR_BUSY;
950 			break;
951 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
952 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
953 			break;
954 		case STMF_PS_ERROR_VERSION_MISMATCH:
955 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
956 			break;
957 		default:
958 			syslog(LOG_DEBUG,
959 			    "stmfClearProviderData:psClearProviderData"
960 			    ":error(%d)", ret);
961 			ret = STMF_STATUS_ERROR;
962 			break;
963 	}
964 
965 done:
966 	(void) close(fd);
967 	return (ret);
968 }
969 
970 /*
971  * stmfCreateHostGroup
972  *
973  * Purpose: Create a new initiator group
974  *
975  * hostGroupName - name of host group to create
976  */
977 int
978 stmfCreateHostGroup(stmfGroupName *hostGroupName)
979 {
980 	int ret;
981 	int fd;
982 
983 	if (hostGroupName == NULL ||
984 	    (strnlen((char *)hostGroupName, sizeof (stmfGroupName))
985 	    == sizeof (stmfGroupName))) {
986 		return (STMF_ERROR_INVALID_ARG);
987 	}
988 
989 	/* Check to ensure service exists */
990 	if (psCheckService() != STMF_STATUS_SUCCESS) {
991 		return (STMF_ERROR_SERVICE_NOT_FOUND);
992 	}
993 
994 	/* call init */
995 	ret = initializeConfig();
996 	if (ret != STMF_STATUS_SUCCESS) {
997 		return (ret);
998 	}
999 
1000 	/*
1001 	 * Open control node for stmf
1002 	 */
1003 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
1004 		return (ret);
1005 
1006 	if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_HOST_GROUP,
1007 	    hostGroupName)) != STMF_STATUS_SUCCESS) {
1008 		goto done;
1009 	}
1010 
1011 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
1012 		goto done;
1013 	}
1014 
1015 	ret = psCreateHostGroup((char *)hostGroupName);
1016 	switch (ret) {
1017 		case STMF_PS_SUCCESS:
1018 			ret = STMF_STATUS_SUCCESS;
1019 			break;
1020 		case STMF_PS_ERROR_EXISTS:
1021 			ret = STMF_ERROR_EXISTS;
1022 			break;
1023 		case STMF_PS_ERROR_BUSY:
1024 			ret = STMF_ERROR_BUSY;
1025 			break;
1026 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
1027 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
1028 			break;
1029 		case STMF_PS_ERROR_VERSION_MISMATCH:
1030 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
1031 			break;
1032 		default:
1033 			syslog(LOG_DEBUG,
1034 			    "stmfCreateHostGroup:psCreateHostGroup:error(%d)",
1035 			    ret);
1036 			ret = STMF_STATUS_ERROR;
1037 			break;
1038 	}
1039 
1040 done:
1041 	(void) close(fd);
1042 	return (ret);
1043 }
1044 
1045 /*
1046  * stmfCreateLu
1047  *
1048  * Purpose: Create a logical unit
1049  *
1050  * hdl - handle to logical unit resource created via stmfCreateLuResource
1051  *
1052  * luGuid - If non-NULL, on success, contains the guid of the created logical
1053  *	    unit
1054  */
1055 int
1056 stmfCreateLu(luResource hdl, stmfGuid *luGuid)
1057 {
1058 	int ret = STMF_STATUS_SUCCESS;
1059 	luResourceImpl *luPropsHdl = hdl;
1060 
1061 	if (hdl == NULL) {
1062 		return (STMF_ERROR_INVALID_ARG);
1063 	}
1064 
1065 	if (luPropsHdl->type == STMF_DISK) {
1066 		ret = createDiskLu((diskResource *)luPropsHdl->resource,
1067 		    luGuid);
1068 	} else {
1069 		return (STMF_ERROR_INVALID_ARG);
1070 	}
1071 
1072 	return (ret);
1073 }
1074 
1075 /*
1076  * stmfCreateLuResource
1077  *
1078  * Purpose: Create resource handle for a logical unit
1079  *
1080  * dType - Type of logical unit resource to create
1081  *	   Can be: STMF_DISK
1082  *
1083  * hdl - pointer to luResource
1084  */
1085 int
1086 stmfCreateLuResource(uint16_t dType, luResource *hdl)
1087 {
1088 	int ret = STMF_STATUS_SUCCESS;
1089 
1090 	if (dType != STMF_DISK || hdl == NULL) {
1091 		return (STMF_ERROR_INVALID_ARG);
1092 	}
1093 
1094 	*hdl = calloc(1, sizeof (luResourceImpl));
1095 	if (*hdl == NULL) {
1096 		return (STMF_ERROR_NOMEM);
1097 	}
1098 
1099 	ret = createDiskResource((luResourceImpl *)*hdl);
1100 	if (ret != STMF_STATUS_SUCCESS) {
1101 		free(*hdl);
1102 		return (ret);
1103 	}
1104 
1105 	return (STMF_STATUS_SUCCESS);
1106 }
1107 
1108 /*
1109  * Creates a disk logical unit
1110  *
1111  * disk - pointer to diskResource structure that represents the properties
1112  *        for the disk logical unit to be created.
1113  */
1114 static int
1115 createDiskLu(diskResource *disk, stmfGuid *createdGuid)
1116 {
1117 	int ret = STMF_STATUS_SUCCESS;
1118 	int dataFileNameLen = 0;
1119 	int metaFileNameLen = 0;
1120 	int serialNumLen = 0;
1121 	int luAliasLen = 0;
1122 	int luMgmtUrlLen = 0;
1123 	int sluBufSize = 0;
1124 	int bufOffset = 0;
1125 	int fd = 0;
1126 	int ioctlRet;
1127 	int savedErrno;
1128 	stmfGuid guid;
1129 	stmf_iocdata_t sbdIoctl = {0};
1130 
1131 	sbd_create_and_reg_lu_t *sbdLu = NULL;
1132 
1133 	/*
1134 	 * Open control node for sbd
1135 	 */
1136 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
1137 		return (ret);
1138 
1139 	/* data file name must be specified */
1140 	if (disk->luDataFileNameValid) {
1141 		dataFileNameLen = strlen(disk->luDataFileName);
1142 	} else {
1143 		(void) close(fd);
1144 		return (STMF_ERROR_MISSING_PROP_VAL);
1145 	}
1146 
1147 	sluBufSize += dataFileNameLen + 1;
1148 
1149 	if (disk->luMetaFileNameValid) {
1150 		metaFileNameLen = strlen(disk->luMetaFileName);
1151 		sluBufSize += metaFileNameLen + 1;
1152 	}
1153 
1154 	serialNumLen = strlen(disk->serialNum);
1155 	sluBufSize += serialNumLen;
1156 
1157 	if (disk->luAliasValid) {
1158 		luAliasLen = strlen(disk->luAlias);
1159 		sluBufSize += luAliasLen + 1;
1160 	}
1161 
1162 	if (disk->luMgmtUrlValid) {
1163 		luMgmtUrlLen = strlen(disk->luMgmtUrl);
1164 		sluBufSize += luMgmtUrlLen + 1;
1165 	}
1166 
1167 	/*
1168 	 * 8 is the size of the buffer set aside for
1169 	 * concatenation of variable length fields
1170 	 */
1171 	sbdLu = (sbd_create_and_reg_lu_t *)calloc(1,
1172 	    sizeof (sbd_create_and_reg_lu_t) + sluBufSize - 8);
1173 	if (sbdLu == NULL) {
1174 		return (STMF_ERROR_NOMEM);
1175 	}
1176 
1177 	sbdLu->slu_struct_size = sizeof (sbd_create_and_reg_lu_t) +
1178 	    sluBufSize - 8;
1179 
1180 	if (metaFileNameLen) {
1181 		sbdLu->slu_meta_fname_valid = 1;
1182 		sbdLu->slu_meta_fname_off = bufOffset;
1183 		bcopy(disk->luMetaFileName, &(sbdLu->slu_buf[bufOffset]),
1184 		    metaFileNameLen + 1);
1185 		bufOffset += metaFileNameLen + 1;
1186 	}
1187 
1188 	bcopy(disk->luDataFileName, &(sbdLu->slu_buf[bufOffset]),
1189 	    dataFileNameLen + 1);
1190 	sbdLu->slu_data_fname_off = bufOffset;
1191 	bufOffset += dataFileNameLen + 1;
1192 
1193 	/* currently, serial # is not passed null terminated to the driver */
1194 	if (disk->serialNumValid) {
1195 		sbdLu->slu_serial_valid = 1;
1196 		sbdLu->slu_serial_off = bufOffset;
1197 		sbdLu->slu_serial_size = serialNumLen;
1198 		bcopy(disk->serialNum, &(sbdLu->slu_buf[bufOffset]),
1199 		    serialNumLen);
1200 		bufOffset += serialNumLen;
1201 	}
1202 
1203 	if (disk->luAliasValid) {
1204 		sbdLu->slu_alias_valid = 1;
1205 		sbdLu->slu_alias_off = bufOffset;
1206 		bcopy(disk->luAlias, &(sbdLu->slu_buf[bufOffset]),
1207 		    luAliasLen + 1);
1208 		bufOffset += luAliasLen + 1;
1209 	}
1210 
1211 	if (disk->luMgmtUrlValid) {
1212 		sbdLu->slu_mgmt_url_valid = 1;
1213 		sbdLu->slu_mgmt_url_off = bufOffset;
1214 		bcopy(disk->luMgmtUrl, &(sbdLu->slu_buf[bufOffset]),
1215 		    luMgmtUrlLen + 1);
1216 		bufOffset += luMgmtUrlLen + 1;
1217 	}
1218 
1219 	if (disk->luSizeValid) {
1220 		sbdLu->slu_lu_size_valid = 1;
1221 		sbdLu->slu_lu_size = disk->luSize;
1222 	}
1223 
1224 	if (disk->luGuidValid) {
1225 		sbdLu->slu_guid_valid = 1;
1226 		bcopy(disk->luGuid, sbdLu->slu_guid, sizeof (disk->luGuid));
1227 	}
1228 
1229 	if (disk->vidValid) {
1230 		sbdLu->slu_vid_valid = 1;
1231 		bcopy(disk->vid, sbdLu->slu_vid, sizeof (disk->vid));
1232 	}
1233 
1234 	if (disk->pidValid) {
1235 		sbdLu->slu_pid_valid = 1;
1236 		bcopy(disk->pid, sbdLu->slu_pid, sizeof (disk->pid));
1237 	}
1238 
1239 	if (disk->revValid) {
1240 		sbdLu->slu_rev_valid = 1;
1241 		bcopy(disk->rev, sbdLu->slu_rev, sizeof (disk->rev));
1242 	}
1243 
1244 	if (disk->companyIdValid) {
1245 		sbdLu->slu_company_id_valid = 1;
1246 		sbdLu->slu_company_id = disk->companyId;
1247 	}
1248 
1249 	if (disk->hostIdValid) {
1250 		sbdLu->slu_host_id_valid = 1;
1251 		sbdLu->slu_host_id = disk->hostId;
1252 	}
1253 
1254 	if (disk->blkSizeValid) {
1255 		sbdLu->slu_blksize_valid = 1;
1256 		sbdLu->slu_blksize = disk->blkSize;
1257 	}
1258 
1259 	if (disk->writeProtectEnableValid) {
1260 		if (disk->writeProtectEnable) {
1261 			sbdLu->slu_write_protected = 1;
1262 		}
1263 	}
1264 
1265 	if (disk->writebackCacheDisableValid) {
1266 		sbdLu->slu_writeback_cache_disable_valid = 1;
1267 		if (disk->writebackCacheDisable) {
1268 			sbdLu->slu_writeback_cache_disable = 1;
1269 		}
1270 	}
1271 
1272 	sbdIoctl.stmf_version = STMF_VERSION_1;
1273 	sbdIoctl.stmf_ibuf_size = sbdLu->slu_struct_size;
1274 	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdLu;
1275 	sbdIoctl.stmf_obuf_size = sbdLu->slu_struct_size;
1276 	sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdLu;
1277 
1278 	ioctlRet = ioctl(fd, SBD_IOCTL_CREATE_AND_REGISTER_LU, &sbdIoctl);
1279 	if (ioctlRet != 0) {
1280 		savedErrno = errno;
1281 		switch (savedErrno) {
1282 			case EBUSY:
1283 				ret = STMF_ERROR_BUSY;
1284 				break;
1285 			case EPERM:
1286 			case EACCES:
1287 				ret = STMF_ERROR_PERM;
1288 				break;
1289 			default:
1290 				diskError(sbdIoctl.stmf_error, &ret);
1291 				if (ret == STMF_STATUS_ERROR) {
1292 					syslog(LOG_DEBUG,
1293 					"createDiskLu:ioctl "
1294 					"error(%d) (%d) (%d)", ioctlRet,
1295 					    sbdIoctl.stmf_error, savedErrno);
1296 				}
1297 				break;
1298 		}
1299 	}
1300 
1301 	if (ret != STMF_STATUS_SUCCESS) {
1302 		goto done;
1303 	}
1304 
1305 	/*
1306 	 * on success, copy the resulting guid into the caller's guid if not
1307 	 * NULL
1308 	 */
1309 	if (createdGuid) {
1310 		bcopy(sbdLu->slu_guid, createdGuid->guid,
1311 		    sizeof (sbdLu->slu_guid));
1312 	}
1313 
1314 	bcopy(sbdLu->slu_guid, guid.guid, sizeof (sbdLu->slu_guid));
1315 	if (disk->luMetaFileNameValid) {
1316 		ret = addGuidToDiskStore(&guid, disk->luMetaFileName);
1317 	} else {
1318 		ret = addGuidToDiskStore(&guid, disk->luDataFileName);
1319 	}
1320 done:
1321 	free(sbdLu);
1322 	(void) close(fd);
1323 	return (ret);
1324 }
1325 
1326 
1327 /*
1328  * stmfImportLu
1329  *
1330  * Purpose: Import a previously created logical unit
1331  *
1332  * dType - Type of logical unit
1333  *         Can be: STMF_DISK
1334  *
1335  * luGuid - If non-NULL, on success, contains the guid of the imported logical
1336  *	    unit
1337  *
1338  * fname - A file name where the metadata resides
1339  *
1340  */
1341 int
1342 stmfImportLu(uint16_t dType, char *fname, stmfGuid *luGuid)
1343 {
1344 	int ret = STMF_STATUS_SUCCESS;
1345 
1346 	if (dType == STMF_DISK) {
1347 		ret = importDiskLu(fname, luGuid);
1348 	} else {
1349 		return (STMF_ERROR_INVALID_ARG);
1350 	}
1351 
1352 	return (ret);
1353 }
1354 
1355 /*
1356  * importDiskLu
1357  *
1358  * filename - filename to import
1359  * createdGuid - if not NULL, on success contains the imported guid
1360  *
1361  */
1362 static int
1363 importDiskLu(char *fname, stmfGuid *createdGuid)
1364 {
1365 	int ret = STMF_STATUS_SUCCESS;
1366 	int fd = 0;
1367 	int ioctlRet;
1368 	int savedErrno;
1369 	int metaFileNameLen;
1370 	stmfGuid iGuid;
1371 	int iluBufSize = 0;
1372 	sbd_import_lu_t *sbdLu = NULL;
1373 	stmf_iocdata_t sbdIoctl = {0};
1374 
1375 	if (fname == NULL) {
1376 		return (STMF_ERROR_INVALID_ARG);
1377 	}
1378 
1379 	/*
1380 	 * Open control node for sbd
1381 	 */
1382 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
1383 		return (ret);
1384 
1385 	metaFileNameLen = strlen(fname);
1386 	iluBufSize += metaFileNameLen + 1;
1387 
1388 	/*
1389 	 * 8 is the size of the buffer set aside for
1390 	 * concatenation of variable length fields
1391 	 */
1392 	sbdLu = (sbd_import_lu_t *)calloc(1,
1393 	    sizeof (sbd_import_lu_t) + iluBufSize - 8);
1394 	if (sbdLu == NULL) {
1395 		(void) close(fd);
1396 		return (STMF_ERROR_NOMEM);
1397 	}
1398 
1399 	/*
1400 	 * Accept either a data file or meta data file.
1401 	 * sbd will do the right thing here either way.
1402 	 * i.e. if it's a data file, it assumes that the
1403 	 * meta data is shared with the data.
1404 	 */
1405 	(void) strncpy(sbdLu->ilu_meta_fname, fname, metaFileNameLen);
1406 
1407 	sbdLu->ilu_struct_size = sizeof (sbd_import_lu_t) + iluBufSize - 8;
1408 
1409 	sbdIoctl.stmf_version = STMF_VERSION_1;
1410 	sbdIoctl.stmf_ibuf_size = sbdLu->ilu_struct_size;
1411 	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdLu;
1412 	sbdIoctl.stmf_obuf_size = sbdLu->ilu_struct_size;
1413 	sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdLu;
1414 
1415 	ioctlRet = ioctl(fd, SBD_IOCTL_IMPORT_LU, &sbdIoctl);
1416 	if (ioctlRet != 0) {
1417 		savedErrno = errno;
1418 		switch (savedErrno) {
1419 			case EBUSY:
1420 				ret = STMF_ERROR_BUSY;
1421 				break;
1422 			case EPERM:
1423 			case EACCES:
1424 				ret = STMF_ERROR_PERM;
1425 				break;
1426 			default:
1427 				diskError(sbdIoctl.stmf_error, &ret);
1428 				if (ret == STMF_STATUS_ERROR) {
1429 					syslog(LOG_DEBUG,
1430 					"importDiskLu:ioctl "
1431 					"error(%d) (%d) (%d)", ioctlRet,
1432 					    sbdIoctl.stmf_error, savedErrno);
1433 				}
1434 				break;
1435 		}
1436 	}
1437 
1438 	if (ret != STMF_STATUS_SUCCESS) {
1439 		goto done;
1440 	}
1441 
1442 	/*
1443 	 * on success, copy the resulting guid into the caller's guid if not
1444 	 * NULL and add it to the persistent store for sbd
1445 	 */
1446 	if (createdGuid) {
1447 		bcopy(sbdLu->ilu_ret_guid, createdGuid->guid,
1448 		    sizeof (sbdLu->ilu_ret_guid));
1449 		ret = addGuidToDiskStore(createdGuid, fname);
1450 	} else {
1451 		bcopy(sbdLu->ilu_ret_guid, iGuid.guid,
1452 		    sizeof (sbdLu->ilu_ret_guid));
1453 		ret = addGuidToDiskStore(&iGuid, fname);
1454 	}
1455 done:
1456 	free(sbdLu);
1457 	(void) close(fd);
1458 	return (ret);
1459 }
1460 
1461 /*
1462  * diskError
1463  *
1464  * Purpose: Translate sbd driver error
1465  */
1466 static void
1467 diskError(uint32_t stmfError, int *ret)
1468 {
1469 	switch (stmfError) {
1470 		case SBD_RET_META_CREATION_FAILED:
1471 		case SBD_RET_ZFS_META_CREATE_FAILED:
1472 			*ret = STMF_ERROR_META_CREATION;
1473 			break;
1474 		case SBD_RET_INVALID_BLKSIZE:
1475 			*ret = STMF_ERROR_INVALID_BLKSIZE;
1476 			break;
1477 		case SBD_RET_FILE_ALREADY_REGISTERED:
1478 			*ret = STMF_ERROR_FILE_IN_USE;
1479 			break;
1480 		case SBD_RET_GUID_ALREADY_REGISTERED:
1481 			*ret = STMF_ERROR_GUID_IN_USE;
1482 			break;
1483 		case SBD_RET_META_PATH_NOT_ABSOLUTE:
1484 		case SBD_RET_META_FILE_LOOKUP_FAILED:
1485 		case SBD_RET_META_FILE_OPEN_FAILED:
1486 		case SBD_RET_META_FILE_GETATTR_FAILED:
1487 		case SBD_RET_NO_META:
1488 			*ret = STMF_ERROR_META_FILE_NAME;
1489 			break;
1490 		case SBD_RET_DATA_PATH_NOT_ABSOLUTE:
1491 		case SBD_RET_DATA_FILE_LOOKUP_FAILED:
1492 		case SBD_RET_DATA_FILE_OPEN_FAILED:
1493 		case SBD_RET_DATA_FILE_GETATTR_FAILED:
1494 			*ret = STMF_ERROR_DATA_FILE_NAME;
1495 			break;
1496 		case SBD_RET_FILE_SIZE_ERROR:
1497 			*ret = STMF_ERROR_FILE_SIZE_INVALID;
1498 			break;
1499 		case SBD_RET_SIZE_OUT_OF_RANGE:
1500 			*ret = STMF_ERROR_SIZE_OUT_OF_RANGE;
1501 			break;
1502 		case SBD_RET_LU_BUSY:
1503 			*ret = STMF_ERROR_LU_BUSY;
1504 			break;
1505 		case SBD_RET_WRITE_CACHE_SET_FAILED:
1506 			*ret = STMF_ERROR_WRITE_CACHE_SET;
1507 			break;
1508 		case SBD_RET_ACCESS_STATE_FAILED:
1509 			*ret = STMF_ERROR_ACCESS_STATE_SET;
1510 			break;
1511 		default:
1512 			*ret = STMF_STATUS_ERROR;
1513 			break;
1514 	}
1515 }
1516 
1517 /*
1518  * Creates a logical unit resource of type STMF_DISK.
1519  *
1520  * No defaults should be set here as all defaults are derived from the
1521  * driver's default settings.
1522  */
1523 static int
1524 createDiskResource(luResourceImpl *hdl)
1525 {
1526 	hdl->type = STMF_DISK;
1527 
1528 	hdl->resource = calloc(1, sizeof (diskResource));
1529 	if (hdl->resource == NULL) {
1530 		return (STMF_ERROR_NOMEM);
1531 	}
1532 
1533 	return (STMF_STATUS_SUCCESS);
1534 }
1535 
1536 /*
1537  * stmfDeleteLu
1538  *
1539  * Purpose: Delete a logical unit
1540  *
1541  * hdl - handle to logical unit resource created via stmfCreateLuResource
1542  *
1543  * luGuid - If non-NULL, on success, contains the guid of the created logical
1544  *	    unit
1545  */
1546 int
1547 stmfDeleteLu(stmfGuid *luGuid)
1548 {
1549 	int ret = STMF_STATUS_SUCCESS;
1550 	stmfLogicalUnitProperties luProps;
1551 
1552 	if (luGuid == NULL) {
1553 		return (STMF_ERROR_INVALID_ARG);
1554 	}
1555 
1556 	/* Check logical unit provider name to call correct dtype function */
1557 	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
1558 	    != STMF_STATUS_SUCCESS) {
1559 		return (ret);
1560 	} else {
1561 		if (strcmp(luProps.providerName, "sbd") == 0) {
1562 			ret = deleteDiskLu(luGuid);
1563 		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
1564 			return (STMF_ERROR_NOT_FOUND);
1565 		} else {
1566 			return (STMF_ERROR_INVALID_ARG);
1567 		}
1568 	}
1569 
1570 	return (ret);
1571 }
1572 
1573 static int
1574 deleteDiskLu(stmfGuid *luGuid)
1575 {
1576 	int ret = STMF_STATUS_SUCCESS;
1577 	int fd;
1578 	int savedErrno;
1579 	int ioctlRet;
1580 	sbd_delete_lu_t deleteLu = {0};
1581 
1582 	stmf_iocdata_t sbdIoctl = {0};
1583 
1584 	/*
1585 	 * Open control node for sbd
1586 	 */
1587 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
1588 		return (ret);
1589 
1590 	ret = removeGuidFromDiskStore(luGuid);
1591 	if (ret != STMF_STATUS_SUCCESS) {
1592 		goto done;
1593 	}
1594 
1595 	bcopy(luGuid, deleteLu.dlu_guid, sizeof (deleteLu.dlu_guid));
1596 	deleteLu.dlu_by_guid = 1;
1597 
1598 	sbdIoctl.stmf_version = STMF_VERSION_1;
1599 	sbdIoctl.stmf_ibuf_size = sizeof (deleteLu);
1600 	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)&deleteLu;
1601 	ioctlRet = ioctl(fd, SBD_IOCTL_DELETE_LU, &sbdIoctl);
1602 	if (ioctlRet != 0) {
1603 		savedErrno = errno;
1604 		switch (savedErrno) {
1605 			case EBUSY:
1606 				ret = STMF_ERROR_BUSY;
1607 				break;
1608 			case EPERM:
1609 			case EACCES:
1610 				ret = STMF_ERROR_PERM;
1611 				break;
1612 			case ENOENT:
1613 				ret = STMF_ERROR_NOT_FOUND;
1614 				break;
1615 			default:
1616 				syslog(LOG_DEBUG,
1617 				    "deleteDiskLu:ioctl error(%d) (%d) (%d)",
1618 				    ioctlRet, sbdIoctl.stmf_error, savedErrno);
1619 				ret = STMF_STATUS_ERROR;
1620 				break;
1621 		}
1622 	}
1623 
1624 done:
1625 	(void) close(fd);
1626 	return (ret);
1627 }
1628 
1629 /*
1630  * stmfLuStandby
1631  *
1632  * Purpose: Sets access state to standby
1633  *
1634  * luGuid - guid of registered logical unit
1635  *
1636  */
1637 int
1638 stmfLuStandby(stmfGuid *luGuid)
1639 {
1640 	int ret = STMF_STATUS_SUCCESS;
1641 	stmfLogicalUnitProperties luProps;
1642 
1643 	if (luGuid == NULL) {
1644 		return (STMF_ERROR_INVALID_ARG);
1645 	}
1646 
1647 	/* Check logical unit provider name to call correct dtype function */
1648 	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
1649 	    != STMF_STATUS_SUCCESS) {
1650 		return (ret);
1651 	} else {
1652 		if (strcmp(luProps.providerName, "sbd") == 0) {
1653 			ret = setDiskStandby(luGuid);
1654 		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
1655 			return (STMF_ERROR_NOT_FOUND);
1656 		} else {
1657 			return (STMF_ERROR_INVALID_ARG);
1658 		}
1659 	}
1660 
1661 	return (ret);
1662 }
1663 
1664 static int
1665 setDiskStandby(stmfGuid *luGuid)
1666 {
1667 	int ret = STMF_STATUS_SUCCESS;
1668 	stmf_iocdata_t sbdIoctl = {0};
1669 	sbd_set_lu_standby_t sbdLu = {0};
1670 	int ioctlRet;
1671 	int savedErrno;
1672 	int fd = 0;
1673 
1674 	/*
1675 	 * Open control node for sbd
1676 	 */
1677 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
1678 		return (ret);
1679 
1680 	bcopy(luGuid, &sbdLu.stlu_guid, sizeof (stmfGuid));
1681 
1682 	sbdIoctl.stmf_version = STMF_VERSION_1;
1683 	sbdIoctl.stmf_ibuf_size = sizeof (sbd_set_lu_standby_t);
1684 	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)&sbdLu;
1685 
1686 	ioctlRet = ioctl(fd, SBD_IOCTL_SET_LU_STANDBY, &sbdIoctl);
1687 	if (ioctlRet != 0) {
1688 		savedErrno = errno;
1689 		switch (savedErrno) {
1690 			case EBUSY:
1691 				ret = STMF_ERROR_BUSY;
1692 				break;
1693 			case EPERM:
1694 			case EACCES:
1695 				ret = STMF_ERROR_PERM;
1696 				break;
1697 			default:
1698 				diskError(sbdIoctl.stmf_error, &ret);
1699 				if (ret == STMF_STATUS_ERROR) {
1700 					syslog(LOG_DEBUG,
1701 					"setDiskStandby:ioctl "
1702 					"error(%d) (%d) (%d)", ioctlRet,
1703 					    sbdIoctl.stmf_error, savedErrno);
1704 				}
1705 				break;
1706 		}
1707 	}
1708 	return (ret);
1709 }
1710 
1711 /*
1712  * stmfModifyLu
1713  *
1714  * Purpose: Modify properties of a logical unit
1715  *
1716  * luGuid - guid of registered logical unit
1717  * prop - property to modify
1718  * propVal - property value to set
1719  *
1720  */
1721 int
1722 stmfModifyLu(stmfGuid *luGuid, uint32_t prop, const char *propVal)
1723 {
1724 	int ret = STMF_STATUS_SUCCESS;
1725 	stmfLogicalUnitProperties luProps;
1726 
1727 	if (luGuid == NULL) {
1728 		return (STMF_ERROR_INVALID_ARG);
1729 	}
1730 
1731 	/* Check logical unit provider name to call correct dtype function */
1732 	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
1733 	    != STMF_STATUS_SUCCESS) {
1734 		return (ret);
1735 	} else {
1736 		if (strcmp(luProps.providerName, "sbd") == 0) {
1737 			ret = modifyDiskLuProp(luGuid, NULL, prop, propVal);
1738 		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
1739 			return (STMF_ERROR_NOT_FOUND);
1740 		} else {
1741 			return (STMF_ERROR_INVALID_ARG);
1742 		}
1743 	}
1744 
1745 	return (ret);
1746 }
1747 
1748 /*
1749  * stmfModifyLuByFname
1750  *
1751  * Purpose: Modify a device by filename. Device does not need to be registered.
1752  *
1753  * dType - type of device to modify
1754  *         STMF_DISK
1755  *
1756  * fname - filename or meta filename
1757  * prop - valid property identifier
1758  * propVal - property value
1759  *
1760  */
1761 int
1762 stmfModifyLuByFname(uint16_t dType, const char *fname, uint32_t prop,
1763     const char *propVal)
1764 {
1765 	int ret = STMF_STATUS_SUCCESS;
1766 	if (fname == NULL) {
1767 		return (STMF_ERROR_INVALID_ARG);
1768 	}
1769 
1770 	if (dType == STMF_DISK) {
1771 		ret = modifyDiskLuProp(NULL, fname, prop, propVal);
1772 	} else {
1773 		return (STMF_ERROR_INVALID_ARG);
1774 	}
1775 
1776 	return (ret);
1777 }
1778 
1779 static int
1780 modifyDiskLuProp(stmfGuid *luGuid, const char *fname, uint32_t prop,
1781     const char *propVal)
1782 {
1783 	int ret = STMF_STATUS_SUCCESS;
1784 	luResource hdl = NULL;
1785 	luResourceImpl *luPropsHdl;
1786 
1787 	ret = stmfCreateLuResource(STMF_DISK, &hdl);
1788 	if (ret != STMF_STATUS_SUCCESS) {
1789 		return (ret);
1790 	}
1791 	ret = validateModifyDiskProp(prop);
1792 	if (ret != STMF_STATUS_SUCCESS) {
1793 		(void) stmfFreeLuResource(hdl);
1794 		return (STMF_ERROR_INVALID_PROP);
1795 	}
1796 	ret = stmfSetLuProp(hdl, prop, propVal);
1797 	if (ret != STMF_STATUS_SUCCESS) {
1798 		(void) stmfFreeLuResource(hdl);
1799 		return (ret);
1800 	}
1801 	luPropsHdl = hdl;
1802 	ret = modifyDiskLu((diskResource *)luPropsHdl->resource, luGuid, fname);
1803 	(void) stmfFreeLuResource(hdl);
1804 	return (ret);
1805 }
1806 
1807 static int
1808 validateModifyDiskProp(uint32_t prop)
1809 {
1810 	switch (prop) {
1811 		case STMF_LU_PROP_ALIAS:
1812 		case STMF_LU_PROP_SIZE:
1813 		case STMF_LU_PROP_MGMT_URL:
1814 		case STMF_LU_PROP_WRITE_PROTECT:
1815 		case STMF_LU_PROP_WRITE_CACHE_DISABLE:
1816 			return (STMF_STATUS_SUCCESS);
1817 			break;
1818 		default:
1819 			return (STMF_STATUS_ERROR);
1820 			break;
1821 	}
1822 }
1823 
1824 static int
1825 modifyDiskLu(diskResource *disk, stmfGuid *luGuid, const char *fname)
1826 {
1827 	int ret = STMF_STATUS_SUCCESS;
1828 	int luAliasLen = 0;
1829 	int luMgmtUrlLen = 0;
1830 	int mluBufSize = 0;
1831 	int bufOffset = 0;
1832 	int fd = 0;
1833 	int ioctlRet;
1834 	int savedErrno;
1835 	int fnameSize = 0;
1836 	stmf_iocdata_t sbdIoctl = {0};
1837 
1838 	sbd_modify_lu_t *sbdLu = NULL;
1839 
1840 	if (luGuid == NULL && fname == NULL) {
1841 		return (STMF_ERROR_INVALID_ARG);
1842 	}
1843 
1844 	if (fname) {
1845 		fnameSize = strlen(fname) + 1;
1846 		mluBufSize += fnameSize;
1847 	}
1848 
1849 	/*
1850 	 * Open control node for sbd
1851 	 */
1852 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
1853 		return (ret);
1854 
1855 	if (disk->luAliasValid) {
1856 		luAliasLen = strlen(disk->luAlias);
1857 		mluBufSize += luAliasLen + 1;
1858 	}
1859 
1860 	if (disk->luMgmtUrlValid) {
1861 		luMgmtUrlLen = strlen(disk->luMgmtUrl);
1862 		mluBufSize += luMgmtUrlLen + 1;
1863 	}
1864 
1865 	/*
1866 	 * 8 is the size of the buffer set aside for
1867 	 * concatenation of variable length fields
1868 	 */
1869 	sbdLu = (sbd_modify_lu_t *)calloc(1,
1870 	    sizeof (sbd_modify_lu_t) + mluBufSize - 8 + fnameSize);
1871 	if (sbdLu == NULL) {
1872 		(void) close(fd);
1873 		return (STMF_ERROR_NOMEM);
1874 	}
1875 
1876 	sbdLu->mlu_struct_size = sizeof (sbd_modify_lu_t) +
1877 	    mluBufSize - 8 + fnameSize;
1878 
1879 	if (disk->luAliasValid) {
1880 		sbdLu->mlu_alias_valid = 1;
1881 		sbdLu->mlu_alias_off = bufOffset;
1882 		bcopy(disk->luAlias, &(sbdLu->mlu_buf[bufOffset]),
1883 		    luAliasLen + 1);
1884 		bufOffset += luAliasLen + 1;
1885 	}
1886 
1887 	if (disk->luMgmtUrlValid) {
1888 		sbdLu->mlu_mgmt_url_valid = 1;
1889 		sbdLu->mlu_mgmt_url_off = bufOffset;
1890 		bcopy(disk->luMgmtUrl, &(sbdLu->mlu_buf[bufOffset]),
1891 		    luMgmtUrlLen + 1);
1892 		bufOffset += luMgmtUrlLen + 1;
1893 	}
1894 
1895 	if (disk->luSizeValid) {
1896 		sbdLu->mlu_lu_size_valid = 1;
1897 		sbdLu->mlu_lu_size = disk->luSize;
1898 	}
1899 
1900 	if (disk->writeProtectEnableValid) {
1901 		sbdLu->mlu_write_protected_valid = 1;
1902 		if (disk->writeProtectEnable) {
1903 			sbdLu->mlu_write_protected = 1;
1904 		}
1905 	}
1906 
1907 	if (disk->writebackCacheDisableValid) {
1908 		sbdLu->mlu_writeback_cache_disable_valid = 1;
1909 		if (disk->writebackCacheDisable) {
1910 			sbdLu->mlu_writeback_cache_disable = 1;
1911 		}
1912 	}
1913 
1914 	if (luGuid) {
1915 		bcopy(luGuid, sbdLu->mlu_input_guid, sizeof (stmfGuid));
1916 		sbdLu->mlu_by_guid = 1;
1917 	} else {
1918 		sbdLu->mlu_fname_off = bufOffset;
1919 		bcopy(fname, &(sbdLu->mlu_buf[bufOffset]), fnameSize + 1);
1920 		sbdLu->mlu_by_fname = 1;
1921 	}
1922 
1923 	sbdIoctl.stmf_version = STMF_VERSION_1;
1924 	sbdIoctl.stmf_ibuf_size = sbdLu->mlu_struct_size;
1925 	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdLu;
1926 
1927 	ioctlRet = ioctl(fd, SBD_IOCTL_MODIFY_LU, &sbdIoctl);
1928 	if (ioctlRet != 0) {
1929 		savedErrno = errno;
1930 		switch (savedErrno) {
1931 			case EBUSY:
1932 				ret = STMF_ERROR_BUSY;
1933 				break;
1934 			case EPERM:
1935 			case EACCES:
1936 				ret = STMF_ERROR_PERM;
1937 				break;
1938 			default:
1939 				diskError(sbdIoctl.stmf_error, &ret);
1940 				if (ret == STMF_STATUS_ERROR) {
1941 					syslog(LOG_DEBUG,
1942 					"modifyDiskLu:ioctl "
1943 					"error(%d) (%d) (%d)", ioctlRet,
1944 					    sbdIoctl.stmf_error, savedErrno);
1945 				}
1946 				break;
1947 		}
1948 	}
1949 
1950 	if (ret != STMF_STATUS_SUCCESS) {
1951 		goto done;
1952 	}
1953 
1954 done:
1955 	free(sbdLu);
1956 	(void) close(fd);
1957 	return (ret);
1958 }
1959 
1960 /*
1961  * removeGuidFromDiskStore
1962  *
1963  * Purpose: delete a logical unit from the sbd provider data
1964  */
1965 static int
1966 removeGuidFromDiskStore(stmfGuid *guid)
1967 {
1968 	return (persistDiskGuid(guid, NULL, B_FALSE));
1969 }
1970 
1971 
1972 /*
1973  * addGuidToDiskStore
1974  *
1975  * Purpose: add a logical unit to the sbd provider data
1976  */
1977 static int
1978 addGuidToDiskStore(stmfGuid *guid, char *filename)
1979 {
1980 	return (persistDiskGuid(guid, filename, B_TRUE));
1981 }
1982 
1983 
1984 /*
1985  * persistDiskGuid
1986  *
1987  * Purpose: Persist or unpersist a guid for the sbd provider data
1988  *
1989  */
1990 static int
1991 persistDiskGuid(stmfGuid *guid, char *filename, boolean_t persist)
1992 {
1993 	char	    guidAsciiBuf[LU_ASCII_GUID_SIZE + 1] = {0};
1994 	nvlist_t    *nvl = NULL;
1995 
1996 	uint64_t    setToken;
1997 	boolean_t   retryGetProviderData = B_FALSE;
1998 	boolean_t   newData = B_FALSE;
1999 	int	    ret = STMF_STATUS_SUCCESS;
2000 	int	    retryCnt = 0;
2001 	int	    stmfRet;
2002 
2003 	/* if we're persisting a guid, there must be a filename */
2004 	if (persist && !filename) {
2005 		return (1);
2006 	}
2007 
2008 	/* guid is stored in lowercase ascii hex */
2009 	(void) snprintf(guidAsciiBuf, sizeof (guidAsciiBuf),
2010 	    "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
2011 	    "%02x%02x%02x%02x%02x%02x",
2012 	    guid->guid[0], guid->guid[1], guid->guid[2], guid->guid[3],
2013 	    guid->guid[4], guid->guid[5], guid->guid[6], guid->guid[7],
2014 	    guid->guid[8], guid->guid[9], guid->guid[10], guid->guid[11],
2015 	    guid->guid[12], guid->guid[13], guid->guid[14], guid->guid[15]);
2016 
2017 
2018 	do {
2019 		retryGetProviderData = B_FALSE;
2020 		stmfRet = stmfGetProviderDataProt("sbd", &nvl,
2021 		    STMF_LU_PROVIDER_TYPE, &setToken);
2022 		if (stmfRet != STMF_STATUS_SUCCESS) {
2023 			if (persist && stmfRet == STMF_ERROR_NOT_FOUND) {
2024 				ret = nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0);
2025 				if (ret != 0) {
2026 					syslog(LOG_DEBUG,
2027 					    "unpersistGuid:nvlist_alloc(%d)",
2028 					    ret);
2029 					ret = STMF_STATUS_ERROR;
2030 					goto done;
2031 				}
2032 				newData = B_TRUE;
2033 			} else {
2034 				/*
2035 				 * if we're persisting the data, it's
2036 				 * an error. Otherwise, just return
2037 				 */
2038 				if (persist) {
2039 					ret = stmfRet;
2040 				}
2041 				goto done;
2042 			}
2043 		}
2044 		if (persist) {
2045 			ret = nvlist_add_string(nvl, guidAsciiBuf, filename);
2046 		} else {
2047 			ret = nvlist_remove(nvl, guidAsciiBuf,
2048 			    DATA_TYPE_STRING);
2049 			if (ret == ENOENT) {
2050 				ret = 0;
2051 			}
2052 		}
2053 		if (ret == 0) {
2054 			if (newData) {
2055 				stmfRet = stmfSetProviderDataProt("sbd", nvl,
2056 				    STMF_LU_PROVIDER_TYPE, NULL);
2057 			} else {
2058 				stmfRet = stmfSetProviderDataProt("sbd", nvl,
2059 				    STMF_LU_PROVIDER_TYPE, &setToken);
2060 			}
2061 			if (stmfRet != STMF_STATUS_SUCCESS) {
2062 				if (stmfRet == STMF_ERROR_BUSY) {
2063 					/* get/set failed, try again */
2064 					retryGetProviderData = B_TRUE;
2065 					if (retryCnt++ > MAX_PROVIDER_RETRY) {
2066 						ret = stmfRet;
2067 						break;
2068 					}
2069 					continue;
2070 				} else if (stmfRet ==
2071 				    STMF_ERROR_PROV_DATA_STALE) {
2072 					/* update failed, try again */
2073 					nvlist_free(nvl);
2074 					nvl = NULL;
2075 					retryGetProviderData = B_TRUE;
2076 					if (retryCnt++ > MAX_PROVIDER_RETRY) {
2077 						ret = stmfRet;
2078 						break;
2079 					}
2080 					continue;
2081 				} else {
2082 					syslog(LOG_DEBUG,
2083 					    "unpersistGuid:error(%x)", stmfRet);
2084 					ret = stmfRet;
2085 				}
2086 				break;
2087 			}
2088 		} else {
2089 			syslog(LOG_DEBUG,
2090 			    "unpersistGuid:error nvlist_add/remove(%d)",
2091 			    ret);
2092 			ret = STMF_STATUS_ERROR;
2093 		}
2094 	} while (retryGetProviderData);
2095 
2096 done:
2097 	nvlist_free(nvl);
2098 	return (ret);
2099 }
2100 
2101 
2102 /*
2103  * stmfGetLuProp
2104  *
2105  * Purpose: Get current value for a resource property
2106  *
2107  * hdl - luResource from a previous call to stmfCreateLuResource
2108  *
2109  * resourceProp - a valid resource property type
2110  *
2111  * propVal - void pointer to a pointer of the value to be retrieved
2112  */
2113 int
2114 stmfGetLuProp(luResource hdl, uint32_t prop, char *propVal, size_t *propLen)
2115 {
2116 	int ret = STMF_STATUS_SUCCESS;
2117 	luResourceImpl *luPropsHdl = hdl;
2118 	if (hdl == NULL || propLen == NULL || propVal == NULL) {
2119 		return (STMF_ERROR_INVALID_ARG);
2120 	}
2121 
2122 	if (luPropsHdl->type == STMF_DISK) {
2123 		ret = getDiskProp(luPropsHdl, prop, propVal, propLen);
2124 	} else {
2125 		return (STMF_ERROR_INVALID_ARG);
2126 	}
2127 
2128 	return (ret);
2129 }
2130 
2131 /*
2132  * stmfGetLuResource
2133  *
2134  * Purpose: Get a logical unit resource handle for a given logical unit.
2135  *
2136  * hdl - pointer to luResource
2137  */
2138 int
2139 stmfGetLuResource(stmfGuid *luGuid, luResource *hdl)
2140 {
2141 	int ret = STMF_STATUS_SUCCESS;
2142 	stmfLogicalUnitProperties luProps;
2143 
2144 	if (hdl == NULL) {
2145 		return (STMF_ERROR_INVALID_ARG);
2146 	}
2147 
2148 	/* Check logical unit provider name to call correct dtype function */
2149 	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
2150 	    != STMF_STATUS_SUCCESS) {
2151 		return (ret);
2152 	} else {
2153 		if (strcmp(luProps.providerName, "sbd") == 0) {
2154 			ret = getDiskAllProps(luGuid, hdl);
2155 		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
2156 			return (STMF_ERROR_NOT_FOUND);
2157 		} else {
2158 			return (STMF_ERROR_INVALID_ARG);
2159 		}
2160 	}
2161 
2162 	return (ret);
2163 }
2164 
2165 /*
2166  * getDiskAllProps
2167  *
2168  * Purpose: load all disk properties from sbd driver
2169  *
2170  * luGuid - guid of disk device for which properties are to be retrieved
2171  * hdl - allocated luResource into which properties are to be copied
2172  *
2173  */
2174 static int
2175 getDiskAllProps(stmfGuid *luGuid, luResource *hdl)
2176 {
2177 	int ret = STMF_STATUS_SUCCESS;
2178 	int fd;
2179 	sbd_lu_props_t *sbdProps;
2180 	int ioctlRet;
2181 	int savedErrno;
2182 	int sbdPropsSize = sizeof (*sbdProps) + MAX_SBD_PROPS;
2183 	stmf_iocdata_t sbdIoctl = {0};
2184 
2185 	/*
2186 	 * Open control node for sbd
2187 	 */
2188 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
2189 		return (ret);
2190 
2191 
2192 	*hdl = calloc(1, sizeof (luResourceImpl));
2193 	if (*hdl == NULL) {
2194 		(void) close(fd);
2195 		return (STMF_ERROR_NOMEM);
2196 	}
2197 
2198 	sbdProps = calloc(1, sbdPropsSize);
2199 	if (sbdProps == NULL) {
2200 		free(*hdl);
2201 		(void) close(fd);
2202 		return (STMF_ERROR_NOMEM);
2203 	}
2204 
2205 	ret = createDiskResource((luResourceImpl *)*hdl);
2206 	if (ret != STMF_STATUS_SUCCESS) {
2207 		free(*hdl);
2208 		free(sbdProps);
2209 		(void) close(fd);
2210 		return (ret);
2211 	}
2212 
2213 	sbdProps->slp_input_guid = 1;
2214 	bcopy(luGuid, sbdProps->slp_guid, sizeof (sbdProps->slp_guid));
2215 
2216 	sbdIoctl.stmf_version = STMF_VERSION_1;
2217 	sbdIoctl.stmf_ibuf_size = sbdPropsSize;
2218 	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdProps;
2219 	sbdIoctl.stmf_obuf_size = sbdPropsSize;
2220 	sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdProps;
2221 	ioctlRet = ioctl(fd, SBD_IOCTL_GET_LU_PROPS, &sbdIoctl);
2222 	if (ioctlRet != 0) {
2223 		savedErrno = errno;
2224 		switch (savedErrno) {
2225 			case EBUSY:
2226 				ret = STMF_ERROR_BUSY;
2227 				break;
2228 			case EPERM:
2229 			case EACCES:
2230 				ret = STMF_ERROR_PERM;
2231 				break;
2232 			case ENOENT:
2233 				ret = STMF_ERROR_NOT_FOUND;
2234 				break;
2235 			default:
2236 				syslog(LOG_DEBUG,
2237 				    "getDiskAllProps:ioctl error(%d) (%d) (%d)",
2238 				    ioctlRet, sbdIoctl.stmf_error, savedErrno);
2239 				ret = STMF_STATUS_ERROR;
2240 				break;
2241 		}
2242 	}
2243 
2244 	if (ret == STMF_STATUS_SUCCESS) {
2245 		ret = loadDiskPropsFromDriver((luResourceImpl *)*hdl, sbdProps);
2246 	}
2247 
2248 	free(sbdProps);
2249 	(void) close(fd);
2250 	return (ret);
2251 }
2252 
2253 /*
2254  * loadDiskPropsFromDriver
2255  *
2256  * Purpose: Retrieve all disk type properties from sbd driver
2257  *
2258  * hdl - Allocated luResourceImpl
2259  * sbdProps - sbd_lu_props_t structure returned from sbd driver
2260  *
2261  */
2262 static int
2263 loadDiskPropsFromDriver(luResourceImpl *hdl, sbd_lu_props_t *sbdProps)
2264 {
2265 	int ret = STMF_STATUS_SUCCESS;
2266 	diskResource *diskLu = hdl->resource;
2267 	/* copy guid */
2268 	diskLu->luGuidValid = B_TRUE;
2269 	bcopy(sbdProps->slp_guid, diskLu->luGuid, sizeof (sbdProps->slp_guid));
2270 
2271 	if (sbdProps->slp_separate_meta && sbdProps->slp_meta_fname_valid) {
2272 		diskLu->luMetaFileNameValid = B_TRUE;
2273 		if (strlcpy(diskLu->luMetaFileName,
2274 		    (char *)&(sbdProps->slp_buf[sbdProps->slp_meta_fname_off]),
2275 		    sizeof (diskLu->luMetaFileName)) >=
2276 		    sizeof (diskLu->luMetaFileName)) {
2277 			return (STMF_STATUS_ERROR);
2278 		}
2279 	}
2280 
2281 	if (sbdProps->slp_data_fname_valid) {
2282 		diskLu->luDataFileNameValid = B_TRUE;
2283 		if (strlcpy(diskLu->luDataFileName,
2284 		    (char *)&(sbdProps->slp_buf[sbdProps->slp_data_fname_off]),
2285 		    sizeof (diskLu->luDataFileName)) >=
2286 		    sizeof (diskLu->luDataFileName)) {
2287 			return (STMF_STATUS_ERROR);
2288 		}
2289 	}
2290 
2291 	if (sbdProps->slp_serial_valid) {
2292 		diskLu->serialNumValid = B_TRUE;
2293 		bcopy(&(sbdProps->slp_buf[sbdProps->slp_serial_off]),
2294 		    diskLu->serialNum, sbdProps->slp_serial_size);
2295 	}
2296 
2297 	if (sbdProps->slp_mgmt_url_valid) {
2298 		diskLu->luMgmtUrlValid = B_TRUE;
2299 		if (strlcpy(diskLu->luMgmtUrl,
2300 		    (char *)&(sbdProps->slp_buf[sbdProps->slp_mgmt_url_off]),
2301 		    sizeof (diskLu->luMgmtUrl)) >=
2302 		    sizeof (diskLu->luMgmtUrl)) {
2303 			return (STMF_STATUS_ERROR);
2304 		}
2305 	}
2306 
2307 	if (sbdProps->slp_alias_valid) {
2308 		diskLu->luAliasValid = B_TRUE;
2309 		if (strlcpy(diskLu->luAlias,
2310 		    (char *)&(sbdProps->slp_buf[sbdProps->slp_alias_off]),
2311 		    sizeof (diskLu->luAlias)) >=
2312 		    sizeof (diskLu->luAlias)) {
2313 			return (STMF_STATUS_ERROR);
2314 		}
2315 	} else { /* set alias to data filename if not set */
2316 		if (sbdProps->slp_data_fname_valid) {
2317 			diskLu->luAliasValid = B_TRUE;
2318 			if (strlcpy(diskLu->luAlias,
2319 			    (char *)&(sbdProps->slp_buf[
2320 			    sbdProps->slp_data_fname_off]),
2321 			    sizeof (diskLu->luAlias)) >=
2322 			    sizeof (diskLu->luAlias)) {
2323 				return (STMF_STATUS_ERROR);
2324 			}
2325 		}
2326 	}
2327 
2328 	diskLu->vidValid = B_TRUE;
2329 	bcopy(sbdProps->slp_vid, diskLu->vid, sizeof (diskLu->vid));
2330 
2331 	diskLu->pidValid = B_TRUE;
2332 	bcopy(sbdProps->slp_pid, diskLu->pid, sizeof (diskLu->pid));
2333 
2334 	diskLu->revValid = B_TRUE;
2335 	bcopy(sbdProps->slp_rev, diskLu->rev, sizeof (diskLu->rev));
2336 
2337 	diskLu->writeProtectEnableValid = B_TRUE;
2338 	if (sbdProps->slp_write_protected) {
2339 		diskLu->writeProtectEnable = B_TRUE;
2340 	}
2341 
2342 	diskLu->writebackCacheDisableValid = B_TRUE;
2343 	if (sbdProps->slp_writeback_cache_disable_cur) {
2344 		diskLu->writebackCacheDisable = B_TRUE;
2345 	}
2346 
2347 	diskLu->blkSizeValid = B_TRUE;
2348 	diskLu->blkSize = sbdProps->slp_blksize;
2349 
2350 	diskLu->luSizeValid = B_TRUE;
2351 	diskLu->luSize = sbdProps->slp_lu_size;
2352 
2353 	diskLu->accessState = sbdProps->slp_access_state;
2354 
2355 	return (ret);
2356 }
2357 
2358 /*
2359  * stmfGetGlobalLuProp
2360  *
2361  * Purpose: get a global property for a device type
2362  *
2363  */
2364 int
2365 stmfGetGlobalLuProp(uint16_t dType, uint32_t prop, char *propVal,
2366     size_t *propLen)
2367 {
2368 	int ret = STMF_STATUS_SUCCESS;
2369 	if (dType != STMF_DISK || propVal == NULL) {
2370 		return (STMF_ERROR_INVALID_ARG);
2371 	}
2372 
2373 	ret = getDiskGlobalProp(prop, propVal, propLen);
2374 
2375 	return (ret);
2376 }
2377 
2378 /*
2379  * getDiskGlobalProp
2380  *
2381  * Purpose: get global property from sbd driver
2382  *
2383  */
2384 static int
2385 getDiskGlobalProp(uint32_t prop, char *propVal, size_t *propLen)
2386 {
2387 	int ret = STMF_STATUS_SUCCESS;
2388 	int fd;
2389 	sbd_global_props_t *sbdProps;
2390 	void *sbd_realloc;
2391 	int retryCnt = 0;
2392 	boolean_t retry;
2393 	int ioctlRet;
2394 	int savedErrno;
2395 	int sbdPropsSize = sizeof (*sbdProps) + MAX_SBD_PROPS;
2396 	stmf_iocdata_t sbdIoctl = {0};
2397 	size_t reqLen;
2398 
2399 	switch (prop) {
2400 		case STMF_LU_PROP_MGMT_URL:
2401 			break;
2402 		default:
2403 			return (STMF_ERROR_INVALID_PROP);
2404 	}
2405 
2406 	/*
2407 	 * Open control node for sbd
2408 	 */
2409 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
2410 		return (ret);
2411 
2412 	sbdProps = calloc(1, sbdPropsSize);
2413 	if (sbdProps == NULL) {
2414 		(void) close(fd);
2415 		return (STMF_ERROR_NOMEM);
2416 	}
2417 
2418 	do {
2419 		retry = B_FALSE;
2420 		sbdIoctl.stmf_version = STMF_VERSION_1;
2421 		sbdIoctl.stmf_obuf_size = sbdPropsSize;
2422 		sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdProps;
2423 		ioctlRet = ioctl(fd, SBD_IOCTL_GET_GLOBAL_LU, &sbdIoctl);
2424 		if (ioctlRet != 0) {
2425 			savedErrno = errno;
2426 			switch (savedErrno) {
2427 				case EBUSY:
2428 					ret = STMF_ERROR_BUSY;
2429 					break;
2430 				case EPERM:
2431 				case EACCES:
2432 					ret = STMF_ERROR_PERM;
2433 					break;
2434 				case ENOMEM:
2435 					if (sbdIoctl.stmf_error ==
2436 					    SBD_RET_INSUFFICIENT_BUF_SPACE &&
2437 					    retryCnt++ < 3) {
2438 						sbdPropsSize =
2439 						    sizeof (*sbdProps) +
2440 						    sbdProps->
2441 						    mlu_buf_size_needed;
2442 
2443 						sbd_realloc = sbdProps;
2444 						sbdProps = realloc(sbdProps,
2445 						    sbdPropsSize);
2446 						if (sbdProps == NULL) {
2447 							free(sbd_realloc);
2448 							ret = STMF_ERROR_NOMEM;
2449 							break;
2450 						}
2451 						retry = B_TRUE;
2452 					} else {
2453 						ret = STMF_ERROR_NOMEM;
2454 					}
2455 					break;
2456 				default:
2457 					syslog(LOG_DEBUG,
2458 					    "getDiskGlobalProp:ioctl error(%d)"
2459 					    "(%d)(%d)", ioctlRet,
2460 					    sbdIoctl.stmf_error, savedErrno);
2461 					ret = STMF_STATUS_ERROR;
2462 					break;
2463 			}
2464 
2465 		}
2466 	} while (retry);
2467 
2468 	if (ret != STMF_STATUS_SUCCESS) {
2469 		goto done;
2470 	}
2471 
2472 	switch (prop) {
2473 		case STMF_LU_PROP_MGMT_URL:
2474 			if (sbdProps->mlu_mgmt_url_valid == 0) {
2475 				ret = STMF_ERROR_NO_PROP;
2476 				goto done;
2477 			}
2478 			if ((reqLen = strlcpy(propVal, (char *)&(
2479 			    sbdProps->mlu_buf[sbdProps->mlu_mgmt_url_off]),
2480 			    *propLen)) >= *propLen) {
2481 				*propLen = reqLen + 1;
2482 				ret = STMF_ERROR_INVALID_ARG;
2483 				goto done;
2484 			}
2485 			break;
2486 	}
2487 
2488 done:
2489 	free(sbdProps);
2490 	(void) close(fd);
2491 	return (ret);
2492 }
2493 
2494 /*
2495  * stmfSetGlobalLuProp
2496  *
2497  * Purpose: set a global property for a device type
2498  *
2499  */
2500 int
2501 stmfSetGlobalLuProp(uint16_t dType, uint32_t prop, const char *propVal)
2502 {
2503 	int ret = STMF_STATUS_SUCCESS;
2504 	if (dType != STMF_DISK || propVal == NULL) {
2505 		return (STMF_ERROR_INVALID_ARG);
2506 	}
2507 
2508 	ret = setDiskGlobalProp(prop, propVal);
2509 
2510 	return (ret);
2511 }
2512 
2513 /*
2514  * setDiskGlobalProp
2515  *
2516  * Purpose: set properties for resource of type disk
2517  *
2518  * resourceProp - valid resource identifier
2519  * propVal - valid resource value
2520  */
2521 static int
2522 setDiskGlobalProp(uint32_t resourceProp, const char *propVal)
2523 {
2524 	int ret = STMF_STATUS_SUCCESS;
2525 	sbd_global_props_t *sbdGlobalProps = NULL;
2526 	int sbdGlobalPropsSize = 0;
2527 	int propLen;
2528 	int mluBufSize = 0;
2529 	int fd;
2530 	int savedErrno;
2531 	int ioctlRet;
2532 	stmf_iocdata_t sbdIoctl = {0};
2533 
2534 	switch (resourceProp) {
2535 		case STMF_LU_PROP_MGMT_URL:
2536 			break;
2537 		default:
2538 			return (STMF_ERROR_INVALID_PROP);
2539 			break;
2540 	}
2541 
2542 	/*
2543 	 * Open control node for sbd
2544 	 */
2545 	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
2546 		return (ret);
2547 
2548 	propLen = strlen(propVal);
2549 	mluBufSize += propLen + 1;
2550 	sbdGlobalPropsSize += sizeof (sbd_global_props_t) - 8 +
2551 	    max(8, mluBufSize);
2552 	/*
2553 	 * 8 is the size of the buffer set aside for
2554 	 * concatenation of variable length fields
2555 	 */
2556 	sbdGlobalProps = (sbd_global_props_t *)calloc(1, sbdGlobalPropsSize);
2557 	if (sbdGlobalProps == NULL) {
2558 		(void) close(fd);
2559 		return (STMF_ERROR_NOMEM);
2560 	}
2561 
2562 	sbdGlobalProps->mlu_struct_size = sbdGlobalPropsSize;
2563 
2564 	switch (resourceProp) {
2565 		case STMF_LU_PROP_MGMT_URL:
2566 			sbdGlobalProps->mlu_mgmt_url_valid = 1;
2567 			bcopy(propVal, &(sbdGlobalProps->mlu_buf),
2568 			    propLen + 1);
2569 			break;
2570 		default:
2571 			ret = STMF_ERROR_NO_PROP;
2572 			goto done;
2573 	}
2574 
2575 	sbdIoctl.stmf_version = STMF_VERSION_1;
2576 	sbdIoctl.stmf_ibuf_size = sbdGlobalProps->mlu_struct_size;
2577 	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdGlobalProps;
2578 
2579 	ioctlRet = ioctl(fd, SBD_IOCTL_SET_GLOBAL_LU, &sbdIoctl);
2580 	if (ioctlRet != 0) {
2581 		savedErrno = errno;
2582 		switch (savedErrno) {
2583 			case EBUSY:
2584 				ret = STMF_ERROR_BUSY;
2585 				break;
2586 			case EPERM:
2587 			case EACCES:
2588 				ret = STMF_ERROR_PERM;
2589 				break;
2590 			default:
2591 				diskError(sbdIoctl.stmf_error, &ret);
2592 				if (ret == STMF_STATUS_ERROR) {
2593 					syslog(LOG_DEBUG,
2594 					"modifyDiskLu:ioctl "
2595 					"error(%d) (%d) (%d)", ioctlRet,
2596 					    sbdIoctl.stmf_error, savedErrno);
2597 				}
2598 				break;
2599 		}
2600 	}
2601 
2602 done:
2603 	free(sbdGlobalProps);
2604 	(void) close(fd);
2605 	return (ret);
2606 }
2607 
2608 
2609 /*
2610  * stmfSetLuProp
2611  *
2612  * Purpose: set a property on an luResource
2613  *
2614  * hdl - allocated luResource
2615  * prop - property identifier
2616  * propVal - property value to be set
2617  */
2618 int
2619 stmfSetLuProp(luResource hdl, uint32_t prop, const char *propVal)
2620 {
2621 	int ret = STMF_STATUS_SUCCESS;
2622 	luResourceImpl *luPropsHdl = hdl;
2623 	if (hdl == NULL) {
2624 		return (STMF_ERROR_INVALID_ARG);
2625 	}
2626 
2627 	if (luPropsHdl->type == STMF_DISK) {
2628 		ret = setDiskProp(luPropsHdl, prop, propVal);
2629 	} else {
2630 		return (STMF_ERROR_INVALID_ARG);
2631 	}
2632 
2633 	return (ret);
2634 }
2635 
2636 /*
2637  * getDiskProp
2638  *
2639  * Purpose: retrieve a given property from a logical unit resource of type disk
2640  *
2641  * hdl - allocated luResourceImpl
2642  * prop - property identifier
2643  * propVal - pointer to character to contain the retrieved property value
2644  * propLen - On input this is the length of propVal. On failure, it contains the
2645  *           number of bytes required for propVal
2646  */
2647 static int
2648 getDiskProp(luResourceImpl *hdl, uint32_t prop, char *propVal, size_t *propLen)
2649 {
2650 	int ret = STMF_STATUS_SUCCESS;
2651 	diskResource *diskLu = hdl->resource;
2652 	char accessState[20];
2653 	size_t reqLen;
2654 
2655 	if (prop == STMF_LU_PROP_ACCESS_STATE) {
2656 		if (diskLu->accessState == SBD_LU_ACTIVE) {
2657 			(void) strlcpy(accessState, STMF_ACCESS_ACTIVE,
2658 			    sizeof (accessState));
2659 		} else if (diskLu->accessState == SBD_LU_TRANSITION_TO_ACTIVE) {
2660 			(void) strlcpy(accessState,
2661 			    STMF_ACCESS_STANDBY_TO_ACTIVE,
2662 			    sizeof (accessState));
2663 		} else if (diskLu->accessState == SBD_LU_STANDBY) {
2664 			(void) strlcpy(accessState, STMF_ACCESS_STANDBY,
2665 			    sizeof (accessState));
2666 		} else if (diskLu->accessState ==
2667 		    SBD_LU_TRANSITION_TO_STANDBY) {
2668 			(void) strlcpy(accessState,
2669 			    STMF_ACCESS_ACTIVE_TO_STANDBY,
2670 			    sizeof (accessState));
2671 		}
2672 		if ((reqLen = strlcpy(propVal, accessState,
2673 		    *propLen)) >= *propLen) {
2674 			*propLen = reqLen + 1;
2675 			return (STMF_ERROR_INVALID_ARG);
2676 		}
2677 		return (0);
2678 	}
2679 
2680 	if (diskLu->accessState != SBD_LU_ACTIVE) {
2681 		return (STMF_ERROR_NO_PROP_STANDBY);
2682 	}
2683 
2684 	switch (prop) {
2685 		case STMF_LU_PROP_BLOCK_SIZE:
2686 			if (diskLu->blkSizeValid == B_FALSE) {
2687 				return (STMF_ERROR_NO_PROP);
2688 			}
2689 			reqLen = snprintf(propVal, *propLen, "%llu",
2690 			    (u_longlong_t)diskLu->blkSize);
2691 			if (reqLen >= *propLen) {
2692 				*propLen = reqLen + 1;
2693 				return (STMF_ERROR_INVALID_ARG);
2694 			}
2695 			break;
2696 		case STMF_LU_PROP_FILENAME:
2697 			if (diskLu->luDataFileNameValid == B_FALSE) {
2698 				return (STMF_ERROR_NO_PROP);
2699 			}
2700 			if ((reqLen = strlcpy(propVal, diskLu->luDataFileName,
2701 			    *propLen)) >= *propLen) {
2702 				*propLen = reqLen + 1;
2703 				return (STMF_ERROR_INVALID_ARG);
2704 			}
2705 			break;
2706 		case STMF_LU_PROP_META_FILENAME:
2707 			if (diskLu->luMetaFileNameValid == B_FALSE) {
2708 				return (STMF_ERROR_NO_PROP);
2709 			}
2710 			if ((reqLen = strlcpy(propVal, diskLu->luMetaFileName,
2711 			    *propLen)) >= *propLen) {
2712 				*propLen = reqLen + 1;
2713 				return (STMF_ERROR_INVALID_ARG);
2714 			}
2715 			break;
2716 		case STMF_LU_PROP_MGMT_URL:
2717 			if (diskLu->luMgmtUrlValid == B_FALSE) {
2718 				return (STMF_ERROR_NO_PROP);
2719 			}
2720 			if ((reqLen = strlcpy(propVal, diskLu->luMgmtUrl,
2721 			    *propLen)) >= *propLen) {
2722 				*propLen = reqLen + 1;
2723 				return (STMF_ERROR_INVALID_ARG);
2724 			}
2725 			break;
2726 		case STMF_LU_PROP_GUID:
2727 			if (diskLu->luGuidValid == B_FALSE) {
2728 				return (STMF_ERROR_NO_PROP);
2729 			}
2730 			reqLen = snprintf(propVal, *propLen,
2731 			    "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X"
2732 			    "%02X%02X%02X%02X",
2733 			    diskLu->luGuid[0], diskLu->luGuid[1],
2734 			    diskLu->luGuid[2], diskLu->luGuid[3],
2735 			    diskLu->luGuid[4], diskLu->luGuid[5],
2736 			    diskLu->luGuid[6], diskLu->luGuid[7],
2737 			    diskLu->luGuid[8], diskLu->luGuid[9],
2738 			    diskLu->luGuid[10], diskLu->luGuid[11],
2739 			    diskLu->luGuid[12], diskLu->luGuid[13],
2740 			    diskLu->luGuid[14], diskLu->luGuid[15]);
2741 			if (reqLen >= *propLen) {
2742 				*propLen = reqLen + 1;
2743 				return (STMF_ERROR_INVALID_ARG);
2744 			}
2745 			break;
2746 		case STMF_LU_PROP_SERIAL_NUM:
2747 			if (diskLu->serialNumValid == B_FALSE) {
2748 				return (STMF_ERROR_NO_PROP);
2749 			}
2750 			if ((reqLen = strlcpy(propVal, diskLu->serialNum,
2751 			    *propLen)) >= *propLen) {
2752 				*propLen = reqLen + 1;
2753 				return (STMF_ERROR_INVALID_ARG);
2754 			}
2755 			break;
2756 		case STMF_LU_PROP_SIZE:
2757 			if (diskLu->luSizeValid == B_FALSE) {
2758 				return (STMF_ERROR_NO_PROP);
2759 			}
2760 			(void) snprintf(propVal, *propLen, "%llu",
2761 			    (u_longlong_t)diskLu->luSize);
2762 			break;
2763 		case STMF_LU_PROP_ALIAS:
2764 			if (diskLu->luAliasValid == B_FALSE) {
2765 				return (STMF_ERROR_NO_PROP);
2766 			}
2767 			if ((reqLen = strlcpy(propVal, diskLu->luAlias,
2768 			    *propLen)) >= *propLen) {
2769 				*propLen = reqLen + 1;
2770 				return (STMF_ERROR_INVALID_ARG);
2771 			}
2772 			break;
2773 		case STMF_LU_PROP_VID:
2774 			if (diskLu->vidValid == B_FALSE) {
2775 				return (STMF_ERROR_NO_PROP);
2776 			}
2777 			if (*propLen <= sizeof (diskLu->vid)) {
2778 				return (STMF_ERROR_INVALID_ARG);
2779 			}
2780 			bcopy(diskLu->vid, propVal, sizeof (diskLu->vid));
2781 			propVal[sizeof (diskLu->vid)] = 0;
2782 			break;
2783 		case STMF_LU_PROP_PID:
2784 			if (diskLu->pidValid == B_FALSE) {
2785 				return (STMF_ERROR_NO_PROP);
2786 			}
2787 			if (*propLen <= sizeof (diskLu->pid)) {
2788 				return (STMF_ERROR_INVALID_ARG);
2789 			}
2790 			bcopy(diskLu->pid, propVal, sizeof (diskLu->pid));
2791 			propVal[sizeof (diskLu->pid)] = 0;
2792 			break;
2793 		case STMF_LU_PROP_WRITE_PROTECT:
2794 			if (diskLu->writeProtectEnableValid == B_FALSE) {
2795 				return (STMF_ERROR_NO_PROP);
2796 			}
2797 			if (diskLu->writeProtectEnable) {
2798 				if ((reqLen = strlcpy(propVal, "true",
2799 				    *propLen)) >= *propLen) {
2800 					*propLen = reqLen + 1;
2801 					return (STMF_ERROR_INVALID_ARG);
2802 				}
2803 			} else {
2804 				if ((reqLen = strlcpy(propVal, "false",
2805 				    *propLen)) >= *propLen) {
2806 					*propLen = reqLen + 1;
2807 					return (STMF_ERROR_INVALID_ARG);
2808 				}
2809 			}
2810 			break;
2811 		case STMF_LU_PROP_WRITE_CACHE_DISABLE:
2812 			if (diskLu->writebackCacheDisableValid == B_FALSE) {
2813 				return (STMF_ERROR_NO_PROP);
2814 			}
2815 			if (diskLu->writebackCacheDisable) {
2816 				if ((reqLen = strlcpy(propVal, "true",
2817 				    *propLen)) >= *propLen) {
2818 					*propLen = reqLen + 1;
2819 					return (STMF_ERROR_INVALID_ARG);
2820 				}
2821 			} else {
2822 				if ((reqLen = strlcpy(propVal, "false",
2823 				    *propLen)) >= *propLen) {
2824 					*propLen = reqLen + 1;
2825 					return (STMF_ERROR_INVALID_ARG);
2826 				}
2827 			}
2828 			break;
2829 		default:
2830 			ret = STMF_ERROR_INVALID_PROP;
2831 			break;
2832 	}
2833 
2834 	return (ret);
2835 }
2836 
2837 /*
2838  * setDiskProp
2839  *
2840  * Purpose: set properties for resource of type disk
2841  *
2842  * hdl - allocated luResourceImpl
2843  * resourceProp - valid resource identifier
2844  * propVal - valid resource value
2845  */
2846 static int
2847 setDiskProp(luResourceImpl *hdl, uint32_t resourceProp, const char *propVal)
2848 {
2849 	int ret = STMF_STATUS_SUCCESS;
2850 	int i;
2851 	diskResource *diskLu = hdl->resource;
2852 	unsigned long long numericProp = 0;
2853 	char guidProp[LU_ASCII_GUID_SIZE + 1];
2854 	char ouiProp[OUI_ASCII_SIZE + 1];
2855 	char hostIdProp[HOST_ID_ASCII_SIZE + 1];
2856 	unsigned int oui[OUI_SIZE];
2857 	unsigned int hostId[HOST_ID_SIZE];
2858 	unsigned int guid[LU_GUID_SIZE];
2859 	int propSize;
2860 
2861 
2862 	if (propVal == NULL) {
2863 		return (STMF_ERROR_INVALID_ARG);
2864 	}
2865 
2866 	switch (resourceProp) {
2867 		case STMF_LU_PROP_ALIAS:
2868 			if (strlcpy(diskLu->luAlias, propVal,
2869 			    sizeof (diskLu->luAlias)) >=
2870 			    sizeof (diskLu->luAlias)) {
2871 				return (STMF_ERROR_INVALID_PROPSIZE);
2872 			}
2873 			diskLu->luAliasValid = B_TRUE;
2874 			break;
2875 		case STMF_LU_PROP_BLOCK_SIZE:
2876 			(void) sscanf(propVal, "%llu", &numericProp);
2877 			if (numericProp > UINT16_MAX) {
2878 				return (STMF_ERROR_INVALID_PROPSIZE);
2879 			}
2880 			diskLu->blkSize = numericProp;
2881 			diskLu->blkSizeValid = B_TRUE;
2882 			break;
2883 		case STMF_LU_PROP_COMPANY_ID:
2884 			if ((strlcpy(ouiProp, propVal, sizeof (ouiProp))) >=
2885 			    sizeof (ouiProp)) {
2886 				return (STMF_ERROR_INVALID_ARG);
2887 			}
2888 			if (checkHexUpper(ouiProp) != 0) {
2889 				return (STMF_ERROR_INVALID_ARG);
2890 			}
2891 			(void) sscanf(ouiProp, "%2X%2X%2X",
2892 			    &oui[0], &oui[1], &oui[2]);
2893 
2894 			diskLu->companyId = 0;
2895 			diskLu->companyId += oui[0] << 16;
2896 			diskLu->companyId += oui[1] << 8;
2897 			diskLu->companyId += oui[2];
2898 			if (diskLu->companyId == 0) {
2899 				return (STMF_ERROR_INVALID_ARG);
2900 			}
2901 			diskLu->companyIdValid = B_TRUE;
2902 			break;
2903 		case STMF_LU_PROP_HOST_ID:
2904 			if ((strlcpy(hostIdProp, propVal,
2905 			    sizeof (hostIdProp))) >= sizeof (hostIdProp)) {
2906 				return (STMF_ERROR_INVALID_ARG);
2907 			}
2908 			if (checkHexUpper(hostIdProp) != 0) {
2909 				return (STMF_ERROR_INVALID_ARG);
2910 			}
2911 			(void) sscanf(hostIdProp, "%2X%2X%2X%2X",
2912 			    &hostId[0], &hostId[1], &hostId[2], &hostId[3]);
2913 
2914 			diskLu->hostId = 0;
2915 			diskLu->hostId += hostId[0] << 24;
2916 			diskLu->hostId += hostId[1] << 16;
2917 			diskLu->hostId += hostId[2] << 8;
2918 			diskLu->hostId += hostId[3];
2919 			if (diskLu->hostId == 0) {
2920 				return (STMF_ERROR_INVALID_ARG);
2921 			}
2922 			diskLu->hostIdValid = B_TRUE;
2923 			break;
2924 		case STMF_LU_PROP_GUID:
2925 			if (strlen(propVal) != LU_ASCII_GUID_SIZE) {
2926 				return (STMF_ERROR_INVALID_PROPSIZE);
2927 			}
2928 
2929 			if ((strlcpy(guidProp, propVal, sizeof (guidProp))) >=
2930 			    sizeof (guidProp)) {
2931 				return (STMF_ERROR_INVALID_ARG);
2932 			}
2933 
2934 			if (checkHexUpper(guidProp) != 0) {
2935 				return (STMF_ERROR_INVALID_ARG);
2936 			}
2937 
2938 			(void) sscanf(guidProp,
2939 			    "%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X",
2940 			    &guid[0], &guid[1], &guid[2], &guid[3], &guid[4],
2941 			    &guid[5], &guid[6], &guid[7], &guid[8], &guid[9],
2942 			    &guid[10], &guid[11], &guid[12], &guid[13],
2943 			    &guid[14], &guid[15]);
2944 			for (i = 0; i < sizeof (diskLu->luGuid); i++) {
2945 				diskLu->luGuid[i] = guid[i];
2946 			}
2947 			diskLu->luGuidValid = B_TRUE;
2948 			break;
2949 		case STMF_LU_PROP_FILENAME:
2950 			if ((strlcpy(diskLu->luDataFileName, propVal,
2951 			    sizeof (diskLu->luDataFileName))) >=
2952 			    sizeof (diskLu->luDataFileName)) {
2953 				return (STMF_ERROR_INVALID_PROPSIZE);
2954 			}
2955 			diskLu->luDataFileNameValid = B_TRUE;
2956 			break;
2957 		case STMF_LU_PROP_META_FILENAME:
2958 			if ((strlcpy(diskLu->luMetaFileName, propVal,
2959 			    sizeof (diskLu->luMetaFileName))) >=
2960 			    sizeof (diskLu->luMetaFileName)) {
2961 				return (STMF_ERROR_INVALID_PROPSIZE);
2962 			}
2963 			diskLu->luMetaFileNameValid = B_TRUE;
2964 			break;
2965 		case STMF_LU_PROP_MGMT_URL:
2966 			if ((strlcpy(diskLu->luMgmtUrl, propVal,
2967 			    sizeof (diskLu->luMgmtUrl))) >=
2968 			    sizeof (diskLu->luMgmtUrl)) {
2969 				return (STMF_ERROR_INVALID_PROPSIZE);
2970 			}
2971 			diskLu->luMgmtUrlValid = B_TRUE;
2972 			break;
2973 		case STMF_LU_PROP_PID:
2974 			if ((propSize = strlen(propVal)) >
2975 			    sizeof (diskLu->pid)) {
2976 				return (STMF_ERROR_INVALID_PROPSIZE);
2977 			}
2978 			(void) strncpy(diskLu->pid, propVal, propSize);
2979 			diskLu->pidValid = B_TRUE;
2980 			break;
2981 		case STMF_LU_PROP_SERIAL_NUM:
2982 			if ((propSize = strlen(propVal)) >
2983 			    (sizeof (diskLu->serialNum) - 1)) {
2984 				return (STMF_ERROR_INVALID_PROPSIZE);
2985 			}
2986 			(void) strncpy(diskLu->serialNum, propVal, propSize);
2987 			diskLu->serialNumValid = B_TRUE;
2988 			break;
2989 		case STMF_LU_PROP_SIZE:
2990 			if ((niceStrToNum(propVal, &diskLu->luSize) != 0)) {
2991 				return (STMF_ERROR_INVALID_ARG);
2992 			}
2993 			diskLu->luSizeValid = B_TRUE;
2994 			break;
2995 		case STMF_LU_PROP_VID:
2996 			if ((propSize = strlen(propVal)) >
2997 			    sizeof (diskLu->vid)) {
2998 				return (STMF_ERROR_INVALID_PROPSIZE);
2999 			}
3000 			(void) strncpy(diskLu->vid, propVal, propSize);
3001 			diskLu->vidValid = B_TRUE;
3002 			break;
3003 		case STMF_LU_PROP_WRITE_PROTECT:
3004 			if (strcasecmp(propVal, "TRUE") == 0) {
3005 				diskLu->writeProtectEnable = B_TRUE;
3006 			} else if (strcasecmp(propVal, "FALSE") == 0) {
3007 				diskLu->writeProtectEnable = B_FALSE;
3008 			} else {
3009 				return (STMF_ERROR_INVALID_ARG);
3010 			}
3011 			diskLu->writeProtectEnableValid = B_TRUE;
3012 			break;
3013 		case STMF_LU_PROP_WRITE_CACHE_DISABLE:
3014 			if (strcasecmp(propVal, "TRUE") == 0) {
3015 				diskLu->writebackCacheDisable = B_TRUE;
3016 			} else if (strcasecmp(propVal, "FALSE") == 0) {
3017 				diskLu->writebackCacheDisable = B_FALSE;
3018 			} else {
3019 				return (STMF_ERROR_INVALID_ARG);
3020 			}
3021 			diskLu->writebackCacheDisableValid = B_TRUE;
3022 			break;
3023 		case STMF_LU_PROP_ACCESS_STATE:
3024 			ret = STMF_ERROR_INVALID_PROP;
3025 			break;
3026 		default:
3027 			ret = STMF_ERROR_INVALID_PROP;
3028 			break;
3029 	}
3030 	return (ret);
3031 }
3032 
3033 static int
3034 checkHexUpper(char *buf)
3035 {
3036 	int i;
3037 
3038 	for (i = 0; i < strlen(buf); i++) {
3039 		if (isxdigit(buf[i])) {
3040 			buf[i] = toupper(buf[i]);
3041 			continue;
3042 		}
3043 		return (-1);
3044 	}
3045 
3046 	return (0);
3047 }
3048 
3049 /*
3050  * Given a numeric suffix, convert the value into a number of bits that the
3051  * resulting value must be shifted.
3052  * Code lifted from libzfs_util.c
3053  */
3054 static int
3055 strToShift(const char *buf)
3056 {
3057 	const char *ends = "BKMGTPE";
3058 	int i;
3059 
3060 	if (buf[0] == '\0')
3061 		return (0);
3062 
3063 	for (i = 0; i < strlen(ends); i++) {
3064 		if (toupper(buf[0]) == ends[i])
3065 			return (10*i);
3066 	}
3067 
3068 	return (-1);
3069 }
3070 
3071 int
3072 stmfFreeLuResource(luResource hdl)
3073 {
3074 	int ret = STMF_STATUS_SUCCESS;
3075 	if (hdl == NULL) {
3076 		return (STMF_ERROR_INVALID_ARG);
3077 	}
3078 
3079 	luResourceImpl *hdlImpl = hdl;
3080 	free(hdlImpl->resource);
3081 	free(hdlImpl);
3082 	return (ret);
3083 }
3084 
3085 /*
3086  * Convert a string of the form '100G' into a real number. Used when setting
3087  * the size of a logical unit.
3088  * Code lifted from libzfs_util.c
3089  */
3090 static int
3091 niceStrToNum(const char *value, uint64_t *num)
3092 {
3093 	char *end;
3094 	int shift;
3095 
3096 	*num = 0;
3097 
3098 	/* Check to see if this looks like a number.  */
3099 	if ((value[0] < '0' || value[0] > '9') && value[0] != '.') {
3100 		return (-1);
3101 	}
3102 
3103 	/* Rely on stroull() to process the numeric portion.  */
3104 	errno = 0;
3105 	*num = strtoull(value, &end, 10);
3106 
3107 	/*
3108 	 * Check for ERANGE, which indicates that the value is too large to fit
3109 	 * in a 64-bit value.
3110 	 */
3111 	if (errno == ERANGE) {
3112 		return (-1);
3113 	}
3114 
3115 	/*
3116 	 * If we have a decimal value, then do the computation with floating
3117 	 * point arithmetic.  Otherwise, use standard arithmetic.
3118 	 */
3119 	if (*end == '.') {
3120 		double fval = strtod(value, &end);
3121 
3122 		if ((shift = strToShift(end)) == -1) {
3123 			return (-1);
3124 		}
3125 
3126 		fval *= pow(2, shift);
3127 
3128 		if (fval > UINT64_MAX) {
3129 			return (-1);
3130 		}
3131 
3132 		*num = (uint64_t)fval;
3133 	} else {
3134 		if ((shift = strToShift(end)) == -1) {
3135 			return (-1);
3136 		}
3137 
3138 		/* Check for overflow */
3139 		if (shift >= 64 || (*num << shift) >> shift != *num) {
3140 			return (-1);
3141 		}
3142 
3143 		*num <<= shift;
3144 	}
3145 
3146 	return (0);
3147 }
3148 
3149 /*
3150  * stmfCreateTargetGroup
3151  *
3152  * Purpose: Create a local port group
3153  *
3154  * targetGroupName - name of local port group to create
3155  */
3156 int
3157 stmfCreateTargetGroup(stmfGroupName *targetGroupName)
3158 {
3159 	int ret;
3160 	int fd;
3161 
3162 	if (targetGroupName == NULL ||
3163 	    (strnlen((char *)targetGroupName, sizeof (stmfGroupName))
3164 	    == sizeof (stmfGroupName))) {
3165 		return (STMF_ERROR_INVALID_ARG);
3166 	}
3167 
3168 	/* Check to ensure service exists */
3169 	if (psCheckService() != STMF_STATUS_SUCCESS) {
3170 		return (STMF_ERROR_SERVICE_NOT_FOUND);
3171 	}
3172 
3173 	/* call init */
3174 	ret = initializeConfig();
3175 	if (ret != STMF_STATUS_SUCCESS) {
3176 		return (ret);
3177 	}
3178 
3179 	/*
3180 	 * Open control node for stmf
3181 	 */
3182 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
3183 		return (ret);
3184 
3185 	/*
3186 	 * Add the group to the driver
3187 	 */
3188 	if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_TARGET_GROUP,
3189 	    targetGroupName)) != STMF_STATUS_SUCCESS) {
3190 		goto done;
3191 	}
3192 
3193 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
3194 		goto done;
3195 	}
3196 
3197 	/*
3198 	 * If the add to the driver was successful, add it to the persistent
3199 	 * store.
3200 	 */
3201 	ret = psCreateTargetGroup((char *)targetGroupName);
3202 	switch (ret) {
3203 		case STMF_PS_SUCCESS:
3204 			ret = STMF_STATUS_SUCCESS;
3205 			break;
3206 		case STMF_PS_ERROR_EXISTS:
3207 			ret = STMF_ERROR_EXISTS;
3208 			break;
3209 		case STMF_PS_ERROR_BUSY:
3210 			ret = STMF_ERROR_BUSY;
3211 			break;
3212 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
3213 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
3214 			break;
3215 		case STMF_PS_ERROR_VERSION_MISMATCH:
3216 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
3217 			break;
3218 		default:
3219 			syslog(LOG_DEBUG,
3220 			    "stmfCreateTargetGroup:psCreateTargetGroup"
3221 			    ":error(%d)", ret);
3222 			ret = STMF_STATUS_ERROR;
3223 			break;
3224 	}
3225 
3226 done:
3227 	(void) close(fd);
3228 	return (ret);
3229 }
3230 
3231 /*
3232  * stmfDeleteHostGroup
3233  *
3234  * Purpose: Delete an initiator or local port group
3235  *
3236  * hostGroupName - group to delete
3237  */
3238 int
3239 stmfDeleteHostGroup(stmfGroupName *hostGroupName)
3240 {
3241 	int ret;
3242 	int fd;
3243 
3244 	if (hostGroupName == NULL) {
3245 		return (STMF_ERROR_INVALID_ARG);
3246 	}
3247 
3248 	/* Check to ensure service exists */
3249 	if (psCheckService() != STMF_STATUS_SUCCESS) {
3250 		return (STMF_ERROR_SERVICE_NOT_FOUND);
3251 	}
3252 
3253 	/* call init */
3254 	ret = initializeConfig();
3255 	if (ret != STMF_STATUS_SUCCESS) {
3256 		return (ret);
3257 	}
3258 
3259 	/*
3260 	 * Open control node for stmf
3261 	 */
3262 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
3263 		return (ret);
3264 
3265 	/*
3266 	 * Remove the group from the driver
3267 	 */
3268 	if ((ret = groupIoctl(fd, STMF_IOCTL_REMOVE_HOST_GROUP,
3269 	    hostGroupName)) != STMF_STATUS_SUCCESS) {
3270 		goto done;
3271 	}
3272 
3273 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
3274 		goto done;
3275 	}
3276 
3277 	/*
3278 	 * If the remove from the driver was successful, remove it from the
3279 	 * persistent store.
3280 	 */
3281 	ret = psDeleteHostGroup((char *)hostGroupName);
3282 	switch (ret) {
3283 		case STMF_PS_SUCCESS:
3284 			ret = STMF_STATUS_SUCCESS;
3285 			break;
3286 		case STMF_PS_ERROR_NOT_FOUND:
3287 			ret = STMF_ERROR_NOT_FOUND;
3288 			break;
3289 		case STMF_PS_ERROR_BUSY:
3290 			ret = STMF_ERROR_BUSY;
3291 			break;
3292 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
3293 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
3294 			break;
3295 		case STMF_PS_ERROR_VERSION_MISMATCH:
3296 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
3297 			break;
3298 		default:
3299 			syslog(LOG_DEBUG,
3300 			    "stmfDeleteHostGroup:psDeleteHostGroup:error(%d)",
3301 			    ret);
3302 			ret = STMF_STATUS_ERROR;
3303 			break;
3304 	}
3305 
3306 done:
3307 	(void) close(fd);
3308 	return (ret);
3309 }
3310 
3311 /*
3312  * stmfDeleteTargetGroup
3313  *
3314  * Purpose: Delete an initiator or local port group
3315  *
3316  * targetGroupName - group to delete
3317  */
3318 int
3319 stmfDeleteTargetGroup(stmfGroupName *targetGroupName)
3320 {
3321 	int ret = STMF_STATUS_SUCCESS;
3322 	int fd;
3323 
3324 	if (targetGroupName == NULL) {
3325 		return (STMF_ERROR_INVALID_ARG);
3326 	}
3327 
3328 	/* Check to ensure service exists */
3329 	if (psCheckService() != STMF_STATUS_SUCCESS) {
3330 		return (STMF_ERROR_SERVICE_NOT_FOUND);
3331 	}
3332 
3333 	/* call init */
3334 	ret = initializeConfig();
3335 	if (ret != STMF_STATUS_SUCCESS) {
3336 		return (ret);
3337 	}
3338 
3339 	/*
3340 	 * Open control node for stmf
3341 	 */
3342 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
3343 		return (ret);
3344 
3345 	/*
3346 	 * Remove the group from the driver
3347 	 */
3348 	if ((ret = groupIoctl(fd, STMF_IOCTL_REMOVE_TARGET_GROUP,
3349 	    targetGroupName)) != STMF_STATUS_SUCCESS) {
3350 		goto done;
3351 	}
3352 
3353 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
3354 		goto done;
3355 	}
3356 
3357 	/*
3358 	 * If the remove from the driver was successful, remove it from the
3359 	 * persistent store.
3360 	 */
3361 	ret = psDeleteTargetGroup((char *)targetGroupName);
3362 	switch (ret) {
3363 		case STMF_PS_SUCCESS:
3364 			ret = STMF_STATUS_SUCCESS;
3365 			break;
3366 		case STMF_PS_ERROR_NOT_FOUND:
3367 			ret = STMF_ERROR_NOT_FOUND;
3368 			break;
3369 		case STMF_PS_ERROR_BUSY:
3370 			ret = STMF_ERROR_BUSY;
3371 			break;
3372 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
3373 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
3374 			break;
3375 		case STMF_PS_ERROR_VERSION_MISMATCH:
3376 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
3377 			break;
3378 		default:
3379 			syslog(LOG_DEBUG,
3380 			    "stmfDeleteTargetGroup:psDeleteTargetGroup"
3381 			    ":error(%d)", ret);
3382 			ret = STMF_STATUS_ERROR;
3383 			break;
3384 	}
3385 
3386 done:
3387 	(void) close(fd);
3388 	return (ret);
3389 }
3390 
3391 /*
3392  * stmfDevidFromIscsiName
3393  *
3394  * Purpose: convert an iSCSI name to an stmf devid
3395  *
3396  * iscsiName - unicode nul terminated utf-8 encoded iSCSI name
3397  * devid - on success, contains the converted iscsi name
3398  */
3399 int
3400 stmfDevidFromIscsiName(char *iscsiName, stmfDevid *devid)
3401 {
3402 	if (devid == NULL || iscsiName == NULL)
3403 		return (STMF_ERROR_INVALID_ARG);
3404 
3405 	bzero(devid, sizeof (stmfDevid));
3406 
3407 	/* Validate size of target */
3408 	if ((devid->identLength = strlen(iscsiName)) > MAX_ISCSI_NAME ||
3409 	    devid->identLength < strlen(EUI) ||
3410 	    devid->identLength < strlen(IQN)) {
3411 		return (STMF_ERROR_INVALID_ARG);
3412 	}
3413 
3414 	if ((strncmp(iscsiName, EUI, strlen(EUI)) != 0) &&
3415 	    strncmp(iscsiName, IQN, strlen(IQN)) != 0) {
3416 		return (STMF_ERROR_INVALID_ARG);
3417 	}
3418 
3419 	/* copy UTF-8 bytes to ident */
3420 	bcopy(iscsiName, devid->ident, devid->identLength);
3421 
3422 	return (STMF_STATUS_SUCCESS);
3423 }
3424 
3425 /*
3426  * stmfDevidFromWwn
3427  *
3428  * Purpose: convert a WWN to an stmf devid
3429  *
3430  * wwn - 8-byte wwn identifier
3431  * devid - on success, contains the converted wwn
3432  */
3433 int
3434 stmfDevidFromWwn(uchar_t *wwn, stmfDevid *devid)
3435 {
3436 	if (wwn == NULL || devid == NULL)
3437 		return (STMF_ERROR_INVALID_ARG);
3438 
3439 	bzero(devid, sizeof (stmfDevid));
3440 
3441 	/* Copy eui prefix */
3442 	(void) bcopy(WWN, devid->ident, strlen(WWN));
3443 
3444 	/* Convert to ASCII uppercase hexadecimal string */
3445 	(void) snprintf((char *)&devid->ident[strlen(WWN)],
3446 	    sizeof (devid->ident), "%02X%02X%02X%02X%02X%02X%02X%02X",
3447 	    wwn[0], wwn[1], wwn[2], wwn[3], wwn[4], wwn[5], wwn[6], wwn[7]);
3448 
3449 	devid->identLength = strlen((char *)devid->ident);
3450 
3451 	return (STMF_STATUS_SUCCESS);
3452 }
3453 
3454 /*
3455  * stmfFreeMemory
3456  *
3457  * Purpose: Free memory allocated by this library
3458  *
3459  * memory - previously allocated pointer of memory managed by library
3460  */
3461 void
3462 stmfFreeMemory(void *memory)
3463 {
3464 	free(memory);
3465 }
3466 
3467 /*
3468  * get host group, target group list from stmf
3469  *
3470  * groupType - HOST_GROUP, TARGET_GROUP
3471  */
3472 static int
3473 groupListIoctl(stmfGroupList **groupList, int groupType)
3474 {
3475 	int ret;
3476 	int fd;
3477 	int ioctlRet;
3478 	int i;
3479 	int cmd;
3480 	stmf_iocdata_t stmfIoctl;
3481 	/* framework group list */
3482 	stmf_group_name_t *iGroupList = NULL;
3483 	uint32_t groupListSize;
3484 
3485 	if (groupList == NULL) {
3486 		return (STMF_ERROR_INVALID_ARG);
3487 	}
3488 
3489 	if (groupType == HOST_GROUP) {
3490 		cmd = STMF_IOCTL_GET_HG_LIST;
3491 	} else if (groupType == TARGET_GROUP) {
3492 		cmd = STMF_IOCTL_GET_TG_LIST;
3493 	} else {
3494 		return (STMF_ERROR_INVALID_ARG);
3495 	}
3496 
3497 	/* call init */
3498 	ret = initializeConfig();
3499 	if (ret != STMF_STATUS_SUCCESS) {
3500 		return (ret);
3501 	}
3502 
3503 	/*
3504 	 * Open control node for stmf
3505 	 */
3506 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
3507 		return (ret);
3508 
3509 	/*
3510 	 * Allocate ioctl input buffer
3511 	 */
3512 	groupListSize = ALLOC_GROUP;
3513 	groupListSize = groupListSize * (sizeof (stmf_group_name_t));
3514 	iGroupList = (stmf_group_name_t *)calloc(1, groupListSize);
3515 	if (iGroupList == NULL) {
3516 		ret = STMF_ERROR_NOMEM;
3517 		goto done;
3518 	}
3519 
3520 	bzero(&stmfIoctl, sizeof (stmfIoctl));
3521 	/*
3522 	 * Issue ioctl to get the group list
3523 	 */
3524 	stmfIoctl.stmf_version = STMF_VERSION_1;
3525 	stmfIoctl.stmf_obuf_size = groupListSize;
3526 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupList;
3527 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
3528 	if (ioctlRet != 0) {
3529 		switch (errno) {
3530 			case EBUSY:
3531 				ret = STMF_ERROR_BUSY;
3532 				break;
3533 			case EPERM:
3534 			case EACCES:
3535 				ret = STMF_ERROR_PERM;
3536 				break;
3537 			default:
3538 				syslog(LOG_DEBUG,
3539 				    "groupListIoctl:ioctl errno(%d)",
3540 				    errno);
3541 				ret = STMF_STATUS_ERROR;
3542 				break;
3543 		}
3544 		goto done;
3545 	}
3546 	/*
3547 	 * Check whether input buffer was large enough
3548 	 */
3549 	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_GROUP) {
3550 		groupListSize = stmfIoctl.stmf_obuf_max_nentries *
3551 		    sizeof (stmf_group_name_t);
3552 		iGroupList = realloc(iGroupList, groupListSize);
3553 		if (iGroupList == NULL) {
3554 			ret = STMF_ERROR_NOMEM;
3555 			goto done;
3556 		}
3557 		stmfIoctl.stmf_obuf_size = groupListSize;
3558 		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupList;
3559 		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
3560 		if (ioctlRet != 0) {
3561 			switch (errno) {
3562 				case EBUSY:
3563 					ret = STMF_ERROR_BUSY;
3564 					break;
3565 				case EPERM:
3566 				case EACCES:
3567 					ret = STMF_ERROR_PERM;
3568 					break;
3569 				default:
3570 					syslog(LOG_DEBUG,
3571 					    "groupListIoctl:ioctl errno(%d)",
3572 					    errno);
3573 					ret = STMF_STATUS_ERROR;
3574 					break;
3575 			}
3576 			goto done;
3577 		}
3578 	}
3579 
3580 	/* allocate and copy to caller's buffer */
3581 	*groupList = (stmfGroupList *)calloc(1, sizeof (stmfGroupList) +
3582 	    sizeof (stmfGroupName) * stmfIoctl.stmf_obuf_nentries);
3583 	if (*groupList == NULL) {
3584 		ret = STMF_ERROR_NOMEM;
3585 		goto done;
3586 	}
3587 	(*groupList)->cnt = stmfIoctl.stmf_obuf_nentries;
3588 	for (i = 0; i < stmfIoctl.stmf_obuf_nentries; i++) {
3589 		bcopy(iGroupList[i].name, (*groupList)->name[i],
3590 		    sizeof (stmfGroupName));
3591 	}
3592 
3593 done:
3594 	free(iGroupList);
3595 	(void) close(fd);
3596 	return (ret);
3597 }
3598 
3599 /*
3600  * get host group members, target group members from stmf
3601  *
3602  * groupProps - allocated on success
3603  *
3604  * groupType - HOST_GROUP, TARGET_GROUP
3605  */
3606 static int
3607 groupMemberListIoctl(stmfGroupName *groupName, stmfGroupProperties **groupProps,
3608     int groupType)
3609 {
3610 	int ret;
3611 	int fd;
3612 	int ioctlRet;
3613 	int i;
3614 	int cmd;
3615 	stmf_iocdata_t stmfIoctl;
3616 	/* framework group list */
3617 	stmf_group_name_t iGroupName;
3618 	stmf_ge_ident_t *iGroupMembers;
3619 	uint32_t groupListSize;
3620 
3621 	if (groupName == NULL) {
3622 		return (STMF_ERROR_INVALID_ARG);
3623 	}
3624 
3625 	if (groupType == HOST_GROUP) {
3626 		cmd = STMF_IOCTL_GET_HG_ENTRIES;
3627 	} else if (groupType == TARGET_GROUP) {
3628 		cmd = STMF_IOCTL_GET_TG_ENTRIES;
3629 	} else {
3630 		return (STMF_ERROR_INVALID_ARG);
3631 	}
3632 
3633 	/* call init */
3634 	ret = initializeConfig();
3635 	if (ret != STMF_STATUS_SUCCESS) {
3636 		return (ret);
3637 	}
3638 
3639 	/*
3640 	 * Open control node for stmf
3641 	 */
3642 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
3643 		return (ret);
3644 
3645 	bzero(&iGroupName, sizeof (iGroupName));
3646 
3647 	bcopy(groupName, &iGroupName.name, strlen((char *)groupName));
3648 
3649 	iGroupName.name_size = strlen((char *)groupName);
3650 
3651 	/*
3652 	 * Allocate ioctl input buffer
3653 	 */
3654 	groupListSize = ALLOC_GRP_MEMBER;
3655 	groupListSize = groupListSize * (sizeof (stmf_ge_ident_t));
3656 	iGroupMembers = (stmf_ge_ident_t *)calloc(1, groupListSize);
3657 	if (iGroupMembers == NULL) {
3658 		ret = STMF_ERROR_NOMEM;
3659 		goto done;
3660 	}
3661 
3662 	bzero(&stmfIoctl, sizeof (stmfIoctl));
3663 	/*
3664 	 * Issue ioctl to get the group list
3665 	 */
3666 	stmfIoctl.stmf_version = STMF_VERSION_1;
3667 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&iGroupName;
3668 	stmfIoctl.stmf_ibuf_size = sizeof (stmf_group_name_t);
3669 	stmfIoctl.stmf_obuf_size = groupListSize;
3670 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupMembers;
3671 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
3672 	if (ioctlRet != 0) {
3673 		switch (errno) {
3674 			case EBUSY:
3675 				ret = STMF_ERROR_BUSY;
3676 				break;
3677 			case EPERM:
3678 			case EACCES:
3679 				ret = STMF_ERROR_PERM;
3680 				break;
3681 			default:
3682 				syslog(LOG_DEBUG,
3683 				    "groupListIoctl:ioctl errno(%d)",
3684 				    errno);
3685 				ret = STMF_STATUS_ERROR;
3686 				break;
3687 		}
3688 		goto done;
3689 	}
3690 	/*
3691 	 * Check whether input buffer was large enough
3692 	 */
3693 	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_GRP_MEMBER) {
3694 		groupListSize = stmfIoctl.stmf_obuf_max_nentries *
3695 		    sizeof (stmf_ge_ident_t);
3696 		iGroupMembers = realloc(iGroupMembers, groupListSize);
3697 		if (iGroupMembers == NULL) {
3698 			ret = STMF_ERROR_NOMEM;
3699 			goto done;
3700 		}
3701 		stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&iGroupName;
3702 		stmfIoctl.stmf_ibuf_size = sizeof (stmf_group_name_t);
3703 		stmfIoctl.stmf_obuf_size = groupListSize;
3704 		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupMembers;
3705 		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
3706 		if (ioctlRet != 0) {
3707 			switch (errno) {
3708 				case EBUSY:
3709 					ret = STMF_ERROR_BUSY;
3710 					break;
3711 				case EPERM:
3712 				case EACCES:
3713 					ret = STMF_ERROR_PERM;
3714 					break;
3715 				default:
3716 					syslog(LOG_DEBUG,
3717 					    "groupListIoctl:ioctl errno(%d)",
3718 					    errno);
3719 					ret = STMF_STATUS_ERROR;
3720 					break;
3721 			}
3722 			goto done;
3723 		}
3724 	}
3725 
3726 	/* allocate and copy to caller's buffer */
3727 	*groupProps = (stmfGroupProperties *)calloc(1,
3728 	    sizeof (stmfGroupProperties) +
3729 	    sizeof (stmfDevid) * stmfIoctl.stmf_obuf_nentries);
3730 	if (*groupProps == NULL) {
3731 		ret = STMF_ERROR_NOMEM;
3732 		goto done;
3733 	}
3734 	(*groupProps)->cnt = stmfIoctl.stmf_obuf_nentries;
3735 	for (i = 0; i < stmfIoctl.stmf_obuf_nentries; i++) {
3736 		(*groupProps)->name[i].identLength =
3737 		    iGroupMembers[i].ident_size;
3738 		bcopy(iGroupMembers[i].ident, (*groupProps)->name[i].ident,
3739 		    iGroupMembers[i].ident_size);
3740 	}
3741 
3742 done:
3743 	free(iGroupMembers);
3744 	(void) close(fd);
3745 	return (ret);
3746 }
3747 
3748 /*
3749  * Purpose: access persistent config data for host groups and target groups
3750  */
3751 static int
3752 iLoadGroupFromPs(stmfGroupList **groupList, int type)
3753 {
3754 	int ret;
3755 
3756 	if (groupList == NULL) {
3757 		return (STMF_ERROR_INVALID_ARG);
3758 	}
3759 
3760 	if (type == HOST_GROUP) {
3761 		ret = psGetHostGroupList(groupList);
3762 	} else if (type == TARGET_GROUP) {
3763 		ret = psGetTargetGroupList(groupList);
3764 	} else {
3765 		return (STMF_ERROR_INVALID_ARG);
3766 	}
3767 	switch (ret) {
3768 		case STMF_PS_SUCCESS:
3769 			ret = STMF_STATUS_SUCCESS;
3770 			break;
3771 		case STMF_PS_ERROR_NOT_FOUND:
3772 			ret = STMF_ERROR_NOT_FOUND;
3773 			break;
3774 		case STMF_PS_ERROR_BUSY:
3775 			ret = STMF_ERROR_BUSY;
3776 			break;
3777 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
3778 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
3779 			break;
3780 		case STMF_PS_ERROR_VERSION_MISMATCH:
3781 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
3782 			break;
3783 		default:
3784 			syslog(LOG_DEBUG,
3785 			    "stmfGetHostGroupList:psGetHostGroupList:error(%d)",
3786 			    ret);
3787 			ret = STMF_STATUS_ERROR;
3788 			break;
3789 	}
3790 
3791 	return (ret);
3792 }
3793 
3794 /*
3795  * stmfGetHostGroupList
3796  *
3797  * Purpose: Retrieves the list of initiator group oids
3798  *
3799  * hostGroupList - pointer to pointer to hostGroupList structure
3800  *                 on success, this contains the host group list.
3801  */
3802 int
3803 stmfGetHostGroupList(stmfGroupList **hostGroupList)
3804 {
3805 	int ret = STMF_STATUS_ERROR;
3806 
3807 	if (hostGroupList == NULL) {
3808 		return (STMF_ERROR_INVALID_ARG);
3809 	}
3810 
3811 	ret = groupListIoctl(hostGroupList, HOST_GROUP);
3812 	return (ret);
3813 }
3814 
3815 
3816 /*
3817  * Purpose: access persistent config data for host groups and target groups
3818  */
3819 static int
3820 iLoadGroupMembersFromPs(stmfGroupName *groupName,
3821     stmfGroupProperties **groupProp, int type)
3822 {
3823 	int ret;
3824 
3825 	if (groupName == NULL) {
3826 		return (STMF_ERROR_INVALID_ARG);
3827 	}
3828 
3829 	if (type == HOST_GROUP) {
3830 		ret = psGetHostGroupMemberList((char *)groupName, groupProp);
3831 	} else if (type == TARGET_GROUP) {
3832 		ret = psGetTargetGroupMemberList((char *)groupName, groupProp);
3833 	} else {
3834 		return (STMF_ERROR_INVALID_ARG);
3835 	}
3836 	switch (ret) {
3837 		case STMF_PS_SUCCESS:
3838 			ret = STMF_STATUS_SUCCESS;
3839 			break;
3840 		case STMF_PS_ERROR_NOT_FOUND:
3841 			ret = STMF_ERROR_NOT_FOUND;
3842 			break;
3843 		case STMF_PS_ERROR_BUSY:
3844 			ret = STMF_ERROR_BUSY;
3845 			break;
3846 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
3847 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
3848 			break;
3849 		case STMF_PS_ERROR_VERSION_MISMATCH:
3850 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
3851 			break;
3852 		default:
3853 			syslog(LOG_DEBUG,
3854 			    "iLoadGroupMembersFromPs:psGetHostGroupList:"
3855 			    "error(%d)", ret);
3856 			ret = STMF_STATUS_ERROR;
3857 			break;
3858 	}
3859 
3860 	return (ret);
3861 }
3862 
3863 /*
3864  * stmfGetHostGroupMembers
3865  *
3866  * Purpose: Retrieves the group properties for a host group
3867  *
3868  * groupName - name of group for which to retrieve host group members.
3869  * groupProp - pointer to pointer to stmfGroupProperties structure
3870  *             on success, this contains the list of group members.
3871  */
3872 int
3873 stmfGetHostGroupMembers(stmfGroupName *groupName,
3874     stmfGroupProperties **groupProp)
3875 {
3876 	int ret;
3877 
3878 	if (groupName == NULL || groupProp == NULL) {
3879 		return (STMF_ERROR_INVALID_ARG);
3880 	}
3881 
3882 	ret = groupMemberListIoctl(groupName, groupProp, HOST_GROUP);
3883 
3884 	return (ret);
3885 }
3886 
3887 /*
3888  * stmfGetProviderData
3889  *
3890  * Purpose: Get provider data list
3891  *
3892  * providerName - name of provider for which to retrieve the data
3893  * nvl - pointer to nvlist_t pointer which will contain the nvlist data
3894  *       retrieved.
3895  * providerType - type of provider for which to retrieve data.
3896  *		    STMF_LU_PROVIDER_TYPE
3897  *		    STMF_PORT_PROVIDER_TYPE
3898  */
3899 int
3900 stmfGetProviderData(char *providerName, nvlist_t **nvl, int providerType)
3901 {
3902 	return (stmfGetProviderDataProt(providerName, nvl, providerType,
3903 	    NULL));
3904 }
3905 
3906 /*
3907  * stmfGetProviderDataProt
3908  *
3909  * Purpose: Get provider data list with token
3910  *
3911  * providerName - name of provider for which to retrieve the data
3912  * nvl - pointer to nvlist_t pointer which will contain the nvlist data
3913  *       retrieved.
3914  * providerType - type of provider for which to retrieve data.
3915  *		    STMF_LU_PROVIDER_TYPE
3916  *		    STMF_PORT_PROVIDER_TYPE
3917  * setToken - Returns the stale data token
3918  */
3919 int
3920 stmfGetProviderDataProt(char *providerName, nvlist_t **nvl, int providerType,
3921     uint64_t *setToken)
3922 {
3923 	int ret;
3924 
3925 	if (providerName == NULL || nvl == NULL) {
3926 		return (STMF_ERROR_INVALID_ARG);
3927 	}
3928 	if (providerType != STMF_LU_PROVIDER_TYPE &&
3929 	    providerType != STMF_PORT_PROVIDER_TYPE) {
3930 		return (STMF_ERROR_INVALID_ARG);
3931 	}
3932 	/* call init */
3933 	ret = initializeConfig();
3934 	if (ret != STMF_STATUS_SUCCESS) {
3935 		return (ret);
3936 	}
3937 	return (getProviderData(providerName, nvl, providerType, setToken));
3938 }
3939 
3940 /*
3941  * stmfGetProviderDataList
3942  *
3943  * Purpose: Get the list of providers currently persisting data
3944  *
3945  * providerList - pointer to pointer to an stmfProviderList structure allocated
3946  *                by the caller. Will contain the list of providers on success.
3947  */
3948 int
3949 stmfGetProviderDataList(stmfProviderList **providerList)
3950 {
3951 	int ret;
3952 
3953 	ret = psGetProviderDataList(providerList);
3954 	switch (ret) {
3955 		case STMF_PS_SUCCESS:
3956 			ret = STMF_STATUS_SUCCESS;
3957 			break;
3958 		case STMF_PS_ERROR_BUSY:
3959 			ret = STMF_ERROR_BUSY;
3960 			break;
3961 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
3962 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
3963 			break;
3964 		case STMF_PS_ERROR_VERSION_MISMATCH:
3965 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
3966 			break;
3967 		default:
3968 			syslog(LOG_DEBUG,
3969 			    "stmfGetProviderDataList:psGetProviderDataList"
3970 			    ":error(%d)", ret);
3971 			ret = STMF_STATUS_ERROR;
3972 			break;
3973 	}
3974 
3975 	return (ret);
3976 }
3977 
3978 
3979 /*
3980  * stmfGetSessionList
3981  *
3982  * Purpose: Retrieves the session list for a target (devid)
3983  *
3984  * devid - devid of target for which to retrieve session information.
3985  * sessionList - pointer to pointer to stmfSessionList structure
3986  *             on success, this contains the list of initiator sessions.
3987  */
3988 int
3989 stmfGetSessionList(stmfDevid *devid, stmfSessionList **sessionList)
3990 {
3991 	int ret = STMF_STATUS_SUCCESS;
3992 	int fd;
3993 	int ioctlRet;
3994 	int cmd = STMF_IOCTL_SESSION_LIST;
3995 	int i;
3996 	stmf_iocdata_t stmfIoctl;
3997 	slist_scsi_session_t *fSessionList, *fSessionListP = NULL;
3998 	uint8_t ident[260];
3999 	uint32_t fSessionListSize;
4000 
4001 	if (sessionList == NULL || devid == NULL) {
4002 		ret = STMF_ERROR_INVALID_ARG;
4003 	}
4004 
4005 	/* call init */
4006 	ret = initializeConfig();
4007 	if (ret != STMF_STATUS_SUCCESS) {
4008 		return (ret);
4009 	}
4010 
4011 	/*
4012 	 * Open control node for stmf
4013 	 */
4014 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
4015 		return (ret);
4016 
4017 	/*
4018 	 * Allocate ioctl input buffer
4019 	 */
4020 	fSessionListSize = ALLOC_SESSION;
4021 	fSessionListSize = fSessionListSize * (sizeof (slist_scsi_session_t));
4022 	fSessionList = (slist_scsi_session_t *)calloc(1, fSessionListSize);
4023 	fSessionListP = fSessionList;
4024 	if (fSessionList == NULL) {
4025 		ret = STMF_ERROR_NOMEM;
4026 		goto done;
4027 	}
4028 
4029 	ident[IDENT_LENGTH_BYTE] = devid->identLength;
4030 	bcopy(&(devid->ident), &ident[IDENT_LENGTH_BYTE + 1],
4031 	    devid->identLength);
4032 
4033 	bzero(&stmfIoctl, sizeof (stmfIoctl));
4034 	/*
4035 	 * Issue ioctl to get the session list
4036 	 */
4037 	stmfIoctl.stmf_version = STMF_VERSION_1;
4038 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ident;
4039 	stmfIoctl.stmf_ibuf_size = sizeof (ident);
4040 	stmfIoctl.stmf_obuf_size = fSessionListSize;
4041 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fSessionList;
4042 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
4043 	if (ioctlRet != 0) {
4044 		switch (errno) {
4045 			case EBUSY:
4046 				ret = STMF_ERROR_BUSY;
4047 				break;
4048 			case EPERM:
4049 			case EACCES:
4050 				ret = STMF_ERROR_PERM;
4051 				break;
4052 			default:
4053 				syslog(LOG_DEBUG,
4054 				    "stmfGetSessionList:ioctl errno(%d)",
4055 				    errno);
4056 				ret = STMF_STATUS_ERROR;
4057 				break;
4058 		}
4059 		goto done;
4060 	}
4061 	/*
4062 	 * Check whether input buffer was large enough
4063 	 */
4064 	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_SESSION) {
4065 		fSessionListSize = stmfIoctl.stmf_obuf_max_nentries *
4066 		    sizeof (slist_scsi_session_t);
4067 		fSessionList = realloc(fSessionList, fSessionListSize);
4068 		if (fSessionList == NULL) {
4069 			ret = STMF_ERROR_NOMEM;
4070 			goto done;
4071 		}
4072 		fSessionListP = fSessionList;
4073 		stmfIoctl.stmf_obuf_size = fSessionListSize;
4074 		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fSessionList;
4075 		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
4076 		if (ioctlRet != 0) {
4077 			switch (errno) {
4078 				case EBUSY:
4079 					ret = STMF_ERROR_BUSY;
4080 					break;
4081 				case EPERM:
4082 				case EACCES:
4083 					ret = STMF_ERROR_PERM;
4084 					break;
4085 				default:
4086 					syslog(LOG_DEBUG,
4087 					    "stmfGetSessionList:ioctl "
4088 					    "errno(%d)", errno);
4089 					ret = STMF_STATUS_ERROR;
4090 					break;
4091 			}
4092 			goto done;
4093 		}
4094 	}
4095 
4096 	/*
4097 	 * allocate caller's buffer with the final size
4098 	 */
4099 	*sessionList = (stmfSessionList *)calloc(1, sizeof (stmfSessionList) +
4100 	    stmfIoctl.stmf_obuf_max_nentries * sizeof (stmfSession));
4101 	if (*sessionList == NULL) {
4102 		ret = STMF_ERROR_NOMEM;
4103 		free(sessionList);
4104 		goto done;
4105 	}
4106 
4107 	(*sessionList)->cnt = stmfIoctl.stmf_obuf_max_nentries;
4108 
4109 	/*
4110 	 * copy session info to caller's buffer
4111 	 */
4112 	for (i = 0; i < (*sessionList)->cnt; i++) {
4113 		(*sessionList)->session[i].initiator.identLength =
4114 		    fSessionList->initiator[IDENT_LENGTH_BYTE];
4115 		bcopy(&(fSessionList->initiator[IDENT_LENGTH_BYTE + 1]),
4116 		    (*sessionList)->session[i].initiator.ident,
4117 		    STMF_IDENT_LENGTH);
4118 		bcopy(&(fSessionList->alias),
4119 		    &((*sessionList)->session[i].alias),
4120 		    sizeof ((*sessionList)->session[i].alias));
4121 		bcopy(&(fSessionList++->creation_time),
4122 		    &((*sessionList)->session[i].creationTime),
4123 		    sizeof (time_t));
4124 	}
4125 done:
4126 	(void) close(fd);
4127 	free(fSessionListP);
4128 	return (ret);
4129 }
4130 
4131 /*
4132  * stmfGetTargetGroupList
4133  *
4134  * Purpose: Retrieves the list of target groups
4135  *
4136  * targetGroupList - pointer to a pointer to an stmfGroupList structure. On
4137  *		     success, it contains the list of target groups.
4138  */
4139 int
4140 stmfGetTargetGroupList(stmfGroupList **targetGroupList)
4141 {
4142 	int ret;
4143 
4144 	if (targetGroupList == NULL) {
4145 		return (STMF_ERROR_INVALID_ARG);
4146 	}
4147 
4148 	ret = groupListIoctl(targetGroupList, TARGET_GROUP);
4149 	return (ret);
4150 }
4151 
4152 /*
4153  * stmfGetTargetGroupMembers
4154  *
4155  * Purpose: Retrieves the group members for a target group
4156  *
4157  * groupName - name of target group for which to retrieve members.
4158  * groupProp - pointer to pointer to stmfGroupProperties structure
4159  *             on success, this contains the list of group members.
4160  */
4161 int
4162 stmfGetTargetGroupMembers(stmfGroupName *groupName,
4163     stmfGroupProperties **groupProp)
4164 {
4165 	int ret;
4166 
4167 	if (groupName == NULL || groupProp == NULL) {
4168 		return (STMF_ERROR_INVALID_ARG);
4169 	}
4170 
4171 	ret = groupMemberListIoctl(groupName, groupProp, TARGET_GROUP);
4172 
4173 	return (ret);
4174 }
4175 
4176 /*
4177  * stmfGetTargetList
4178  *
4179  * Purpose: Retrieves the list of target ports
4180  *
4181  * targetList - pointer to a pointer to an stmfDevidList structure.
4182  *		    On success, it contains the list of local ports (target).
4183  */
4184 int
4185 stmfGetTargetList(stmfDevidList **targetList)
4186 {
4187 	int ret;
4188 	int fd;
4189 	int ioctlRet;
4190 	int i;
4191 	stmf_iocdata_t stmfIoctl;
4192 	/* framework target port list */
4193 	slist_target_port_t *fTargetList, *fTargetListP = NULL;
4194 	uint32_t fTargetListSize;
4195 
4196 	if (targetList == NULL) {
4197 		return (STMF_ERROR_INVALID_ARG);
4198 	}
4199 
4200 	/* call init */
4201 	ret = initializeConfig();
4202 	if (ret != STMF_STATUS_SUCCESS) {
4203 		return (ret);
4204 	}
4205 
4206 	/*
4207 	 * Open control node for stmf
4208 	 */
4209 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
4210 		return (ret);
4211 
4212 	/*
4213 	 * Allocate ioctl input buffer
4214 	 */
4215 	fTargetListSize = ALLOC_TARGET_PORT * sizeof (slist_target_port_t);
4216 	fTargetListP = fTargetList =
4217 	    (slist_target_port_t *)calloc(1, fTargetListSize);
4218 	if (fTargetList == NULL) {
4219 		ret = STMF_ERROR_NOMEM;
4220 		goto done;
4221 	}
4222 
4223 	bzero(&stmfIoctl, sizeof (stmfIoctl));
4224 	/*
4225 	 * Issue ioctl to retrieve target list
4226 	 */
4227 	stmfIoctl.stmf_version = STMF_VERSION_1;
4228 	stmfIoctl.stmf_obuf_size = fTargetListSize;
4229 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fTargetList;
4230 	ioctlRet = ioctl(fd, STMF_IOCTL_TARGET_PORT_LIST, &stmfIoctl);
4231 	if (ioctlRet != 0) {
4232 		switch (errno) {
4233 			case EBUSY:
4234 				ret = STMF_ERROR_BUSY;
4235 				break;
4236 			case EPERM:
4237 			case EACCES:
4238 				ret = STMF_ERROR_PERM;
4239 				break;
4240 			default:
4241 				syslog(LOG_DEBUG,
4242 				    "stmfGetTargetList:ioctl errno(%d)", errno);
4243 				ret = STMF_STATUS_ERROR;
4244 				break;
4245 		}
4246 		goto done;
4247 	}
4248 	/*
4249 	 * Check whether input buffer was large enough
4250 	 */
4251 	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_TARGET_PORT) {
4252 		fTargetListSize = stmfIoctl.stmf_obuf_max_nentries *
4253 		    sizeof (slist_target_port_t);
4254 		fTargetListP = fTargetList =
4255 		    realloc(fTargetList, fTargetListSize);
4256 		if (fTargetList == NULL) {
4257 			ret = STMF_ERROR_NOMEM;
4258 			goto done;
4259 		}
4260 		stmfIoctl.stmf_obuf_size = fTargetListSize;
4261 		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fTargetList;
4262 		ioctlRet = ioctl(fd, STMF_IOCTL_TARGET_PORT_LIST,
4263 		    &stmfIoctl);
4264 		if (ioctlRet != 0) {
4265 			switch (errno) {
4266 				case EBUSY:
4267 					ret = STMF_ERROR_BUSY;
4268 					break;
4269 				case EPERM:
4270 				case EACCES:
4271 					ret = STMF_ERROR_PERM;
4272 					break;
4273 				default:
4274 					syslog(LOG_DEBUG,
4275 					    "stmfGetTargetList:ioctl errno(%d)",
4276 					    errno);
4277 					ret = STMF_STATUS_ERROR;
4278 					break;
4279 			}
4280 			goto done;
4281 		}
4282 	}
4283 
4284 	*targetList = (stmfDevidList *)calloc(1,
4285 	    stmfIoctl.stmf_obuf_max_nentries * sizeof (stmfDevid) +
4286 	    sizeof (stmfDevidList));
4287 	if (*targetList == NULL) {
4288 		ret = STMF_ERROR_NOMEM;
4289 		goto done;
4290 	}
4291 
4292 	(*targetList)->cnt = stmfIoctl.stmf_obuf_max_nentries;
4293 	for (i = 0; i < stmfIoctl.stmf_obuf_max_nentries; i++, fTargetList++) {
4294 		(*targetList)->devid[i].identLength =
4295 		    fTargetList->target[IDENT_LENGTH_BYTE];
4296 		bcopy(&fTargetList->target[IDENT_LENGTH_BYTE + 1],
4297 		    &(*targetList)->devid[i].ident,
4298 		    fTargetList->target[IDENT_LENGTH_BYTE]);
4299 	}
4300 
4301 done:
4302 	(void) close(fd);
4303 	free(fTargetListP);
4304 	return (ret);
4305 }
4306 
4307 /*
4308  * stmfGetTargetProperties
4309  *
4310  * Purpose:  Retrieves the properties for a logical unit
4311  *
4312  * devid - devid of the target for which to retrieve properties
4313  * targetProps - pointer to an stmfTargetProperties structure.
4314  *		On success, it contains the target properties for
4315  *		the specified devid.
4316  */
4317 int
4318 stmfGetTargetProperties(stmfDevid *devid, stmfTargetProperties *targetProps)
4319 {
4320 	int ret = STMF_STATUS_SUCCESS;
4321 	int fd;
4322 	int ioctlRet;
4323 	stmf_iocdata_t stmfIoctl;
4324 	sioc_target_port_props_t targetProperties;
4325 	scsi_devid_desc_t *scsiDevid;
4326 
4327 	if (devid == NULL || targetProps == NULL) {
4328 		return (STMF_ERROR_INVALID_ARG);
4329 	}
4330 
4331 	/* call init */
4332 	ret = initializeConfig();
4333 	if (ret != STMF_STATUS_SUCCESS) {
4334 		return (ret);
4335 	}
4336 
4337 	/*
4338 	 * Open control node for stmf
4339 	 */
4340 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
4341 		return (ret);
4342 
4343 	targetProperties.tgt_id[IDENT_LENGTH_BYTE] = devid->identLength;
4344 	bcopy(&(devid->ident), &targetProperties.tgt_id[IDENT_LENGTH_BYTE + 1],
4345 	    devid->identLength);
4346 
4347 	bzero(&stmfIoctl, sizeof (stmfIoctl));
4348 	/*
4349 	 * Issue ioctl to add to the host group
4350 	 */
4351 	stmfIoctl.stmf_version = STMF_VERSION_1;
4352 	stmfIoctl.stmf_ibuf_size = sizeof (targetProperties.tgt_id);
4353 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&targetProperties.tgt_id;
4354 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&targetProperties;
4355 	stmfIoctl.stmf_obuf_size = sizeof (targetProperties);
4356 	ioctlRet = ioctl(fd, STMF_IOCTL_GET_TARGET_PORT_PROPERTIES,
4357 	    &stmfIoctl);
4358 	if (ioctlRet != 0) {
4359 		switch (errno) {
4360 			case EBUSY:
4361 				ret = STMF_ERROR_BUSY;
4362 				break;
4363 			case EPERM:
4364 			case EACCES:
4365 				ret = STMF_ERROR_PERM;
4366 				break;
4367 			case ENOENT:
4368 				ret = STMF_ERROR_NOT_FOUND;
4369 				break;
4370 			default:
4371 				syslog(LOG_DEBUG,
4372 				    "stmfGetTargetProperties:ioctl errno(%d)",
4373 				    errno);
4374 				ret = STMF_STATUS_ERROR;
4375 				break;
4376 		}
4377 		goto done;
4378 	}
4379 
4380 	bcopy(targetProperties.tgt_provider_name, targetProps->providerName,
4381 	    sizeof (targetProperties.tgt_provider_name));
4382 	if (targetProperties.tgt_state == STMF_STATE_ONLINE) {
4383 		targetProps->status = STMF_TARGET_PORT_ONLINE;
4384 	} else if (targetProperties.tgt_state == STMF_STATE_OFFLINE) {
4385 		targetProps->status = STMF_TARGET_PORT_OFFLINE;
4386 	} else if (targetProperties.tgt_state == STMF_STATE_ONLINING) {
4387 		targetProps->status = STMF_TARGET_PORT_ONLINING;
4388 	} else if (targetProperties.tgt_state == STMF_STATE_OFFLINING) {
4389 		targetProps->status = STMF_TARGET_PORT_OFFLINING;
4390 	}
4391 	bcopy(targetProperties.tgt_alias, targetProps->alias,
4392 	    sizeof (targetProps->alias));
4393 
4394 	scsiDevid = (scsi_devid_desc_t *)&targetProperties.tgt_id;
4395 	targetProps->protocol = scsiDevid->protocol_id;
4396 
4397 done:
4398 	(void) close(fd);
4399 	return (ret);
4400 }
4401 
4402 /*
4403  * stmfGetLogicalUnitList
4404  *
4405  * Purpose: Retrieves list of logical unit Object IDs
4406  *
4407  * luList - pointer to a pointer to a stmfGuidList structure. On success,
4408  *          it contains the list of logical unit guids.
4409  *
4410  */
4411 int
4412 stmfGetLogicalUnitList(stmfGuidList **luList)
4413 {
4414 	int ret;
4415 	int fd;
4416 	int ioctlRet;
4417 	int cmd = STMF_IOCTL_LU_LIST;
4418 	int i;
4419 	stmf_iocdata_t stmfIoctl;
4420 	slist_lu_t *fLuList;
4421 	uint32_t fLuListSize;
4422 	uint32_t listCnt;
4423 
4424 	if (luList == NULL) {
4425 		return (STMF_ERROR_INVALID_ARG);
4426 	}
4427 
4428 	/* call init */
4429 	ret = initializeConfig();
4430 	if (ret != STMF_STATUS_SUCCESS) {
4431 		return (ret);
4432 	}
4433 
4434 	/*
4435 	 * Open control node for stmf
4436 	 */
4437 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
4438 		return (ret);
4439 
4440 	/*
4441 	 * Allocate ioctl input buffer
4442 	 */
4443 	fLuListSize = ALLOC_LU;
4444 	fLuListSize = fLuListSize * (sizeof (slist_lu_t));
4445 	fLuList = (slist_lu_t *)calloc(1, fLuListSize);
4446 	if (fLuList == NULL) {
4447 		ret = STMF_ERROR_NOMEM;
4448 		goto done;
4449 	}
4450 
4451 	bzero(&stmfIoctl, sizeof (stmfIoctl));
4452 	/*
4453 	 * Issue ioctl to get the LU list
4454 	 */
4455 	stmfIoctl.stmf_version = STMF_VERSION_1;
4456 	stmfIoctl.stmf_obuf_size = fLuListSize;
4457 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fLuList;
4458 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
4459 	if (ioctlRet != 0) {
4460 		switch (errno) {
4461 			case EBUSY:
4462 				ret = STMF_ERROR_BUSY;
4463 				break;
4464 			case EPERM:
4465 			case EACCES:
4466 				ret = STMF_ERROR_PERM;
4467 				break;
4468 			default:
4469 				syslog(LOG_DEBUG,
4470 				    "stmfGetLogicalUnitList:ioctl errno(%d)",
4471 				    errno);
4472 				ret = STMF_STATUS_ERROR;
4473 				break;
4474 		}
4475 		goto done;
4476 	}
4477 	/*
4478 	 * Check whether input buffer was large enough
4479 	 */
4480 	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_LU) {
4481 		fLuListSize = stmfIoctl.stmf_obuf_max_nentries *
4482 		    sizeof (slist_lu_t);
4483 		free(fLuList);
4484 		fLuList = (slist_lu_t *)calloc(1, fLuListSize);
4485 		if (fLuList == NULL) {
4486 			ret = STMF_ERROR_NOMEM;
4487 			goto done;
4488 		}
4489 		stmfIoctl.stmf_obuf_size = fLuListSize;
4490 		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fLuList;
4491 		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
4492 		if (ioctlRet != 0) {
4493 			switch (errno) {
4494 				case EBUSY:
4495 					ret = STMF_ERROR_BUSY;
4496 					break;
4497 				case EPERM:
4498 				case EACCES:
4499 					ret = STMF_ERROR_PERM;
4500 					break;
4501 				default:
4502 					syslog(LOG_DEBUG,
4503 					    "stmfGetLogicalUnitList:"
4504 					    "ioctl errno(%d)", errno);
4505 					ret = STMF_STATUS_ERROR;
4506 					break;
4507 			}
4508 			goto done;
4509 		}
4510 	}
4511 
4512 	if (ret != STMF_STATUS_SUCCESS) {
4513 		goto done;
4514 	}
4515 
4516 	listCnt = stmfIoctl.stmf_obuf_nentries;
4517 
4518 	/*
4519 	 * allocate caller's buffer with the final size
4520 	 */
4521 	*luList = (stmfGuidList *)calloc(1, sizeof (stmfGuidList) +
4522 	    listCnt * sizeof (stmfGuid));
4523 	if (*luList == NULL) {
4524 		ret = STMF_ERROR_NOMEM;
4525 		goto done;
4526 	}
4527 
4528 	(*luList)->cnt = listCnt;
4529 
4530 	/* copy to caller's buffer */
4531 	for (i = 0; i < listCnt; i++) {
4532 		bcopy(&fLuList[i].lu_guid, (*luList)->guid[i].guid,
4533 		    sizeof (stmfGuid));
4534 	}
4535 
4536 	/*
4537 	 * sort the list. This gives a consistent view across gets
4538 	 */
4539 	qsort((void *)&((*luList)->guid[0]), (*luList)->cnt,
4540 	    sizeof (stmfGuid), guidCompare);
4541 
4542 done:
4543 	(void) close(fd);
4544 	/*
4545 	 * free internal buffers
4546 	 */
4547 	free(fLuList);
4548 	return (ret);
4549 }
4550 
4551 /*
4552  * stmfGetLogicalUnitProperties
4553  *
4554  * Purpose:  Retrieves the properties for a logical unit
4555  *
4556  * lu - guid of the logical unit for which to retrieve properties
4557  * stmfLuProps - pointer to an stmfLogicalUnitProperties structure. On success,
4558  *               it contains the logical unit properties for the specified guid.
4559  */
4560 int
4561 stmfGetLogicalUnitProperties(stmfGuid *lu, stmfLogicalUnitProperties *luProps)
4562 {
4563 	int ret = STMF_STATUS_SUCCESS;
4564 	int stmfRet;
4565 	int fd;
4566 	int ioctlRet;
4567 	int cmd = STMF_IOCTL_GET_LU_PROPERTIES;
4568 	stmfViewEntryList *viewEntryList = NULL;
4569 	stmf_iocdata_t stmfIoctl;
4570 	sioc_lu_props_t fLuProps;
4571 
4572 	if (lu == NULL || luProps == NULL) {
4573 		return (STMF_ERROR_INVALID_ARG);
4574 	}
4575 
4576 	bzero(luProps, sizeof (stmfLogicalUnitProperties));
4577 
4578 	/* call init */
4579 	ret = initializeConfig();
4580 	if (ret != STMF_STATUS_SUCCESS) {
4581 		return (ret);
4582 	}
4583 
4584 	/*
4585 	 * Open control node for stmf
4586 	 */
4587 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
4588 		return (ret);
4589 
4590 	bzero(&stmfIoctl, sizeof (stmfIoctl));
4591 	/*
4592 	 * Issue ioctl to add to the host group
4593 	 */
4594 	stmfIoctl.stmf_version = STMF_VERSION_1;
4595 	stmfIoctl.stmf_ibuf_size = sizeof (stmfGuid);
4596 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)lu;
4597 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&fLuProps;
4598 	stmfIoctl.stmf_obuf_size = sizeof (fLuProps);
4599 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
4600 	if (ioctlRet != 0) {
4601 		switch (errno) {
4602 			case EBUSY:
4603 				ret = STMF_ERROR_BUSY;
4604 				break;
4605 			case EPERM:
4606 			case EACCES:
4607 				ret = STMF_ERROR_PERM;
4608 				break;
4609 			case ENOENT:
4610 				stmfRet = stmfGetViewEntryList(lu,
4611 				    &viewEntryList);
4612 				if (stmfRet == STMF_STATUS_SUCCESS) {
4613 					luProps->status =
4614 					    STMF_LOGICAL_UNIT_UNREGISTERED;
4615 					if (viewEntryList->cnt > 0) {
4616 						ret = STMF_STATUS_SUCCESS;
4617 					} else {
4618 						ret = STMF_ERROR_NOT_FOUND;
4619 					}
4620 				} else {
4621 					ret = STMF_ERROR_NOT_FOUND;
4622 				}
4623 				stmfFreeMemory(viewEntryList);
4624 				break;
4625 			default:
4626 				syslog(LOG_DEBUG,
4627 				    "stmfGetLogicalUnit:ioctl errno(%d)",
4628 				    errno);
4629 				ret = STMF_STATUS_ERROR;
4630 				break;
4631 		}
4632 		goto done;
4633 	}
4634 
4635 	bcopy(fLuProps.lu_provider_name, luProps->providerName,
4636 	    sizeof (fLuProps.lu_provider_name));
4637 	if (fLuProps.lu_state == STMF_STATE_ONLINE) {
4638 		luProps->status = STMF_LOGICAL_UNIT_ONLINE;
4639 	} else if (fLuProps.lu_state == STMF_STATE_OFFLINE) {
4640 		luProps->status = STMF_LOGICAL_UNIT_OFFLINE;
4641 	} else if (fLuProps.lu_state == STMF_STATE_ONLINING) {
4642 		luProps->status = STMF_LOGICAL_UNIT_ONLINING;
4643 	} else if (fLuProps.lu_state == STMF_STATE_OFFLINING) {
4644 		luProps->status = STMF_LOGICAL_UNIT_OFFLINING;
4645 	}
4646 	bcopy(fLuProps.lu_alias, luProps->alias, sizeof (luProps->alias));
4647 done:
4648 	(void) close(fd);
4649 	return (ret);
4650 }
4651 
4652 /*
4653  * stmfGetState
4654  *
4655  * Purpose: retrieve the current state of the stmf module
4656  *
4657  * state - pointer to stmfState structure allocated by the caller
4658  *         On success, contains the state of stmf
4659  */
4660 int
4661 stmfGetState(stmfState *state)
4662 {
4663 	int ret;
4664 	stmf_state_desc_t iState;
4665 
4666 	if (state == NULL) {
4667 		return (STMF_ERROR_INVALID_ARG);
4668 	}
4669 
4670 	ret = getStmfState(&iState);
4671 	if (ret != STMF_STATUS_SUCCESS) {
4672 		return (ret);
4673 	}
4674 	switch (iState.state) {
4675 		case STMF_STATE_ONLINE:
4676 			state->operationalState =
4677 			    STMF_SERVICE_STATE_ONLINE;
4678 			break;
4679 		case STMF_STATE_OFFLINE:
4680 			state->operationalState =
4681 			    STMF_SERVICE_STATE_OFFLINE;
4682 			break;
4683 		case STMF_STATE_ONLINING:
4684 			state->operationalState =
4685 			    STMF_SERVICE_STATE_ONLINING;
4686 			break;
4687 		case STMF_STATE_OFFLINING:
4688 			state->operationalState =
4689 			    STMF_SERVICE_STATE_OFFLINING;
4690 			break;
4691 		default:
4692 			state->operationalState =
4693 			    STMF_SERVICE_STATE_UNKNOWN;
4694 			break;
4695 	}
4696 	switch (iState.config_state) {
4697 		case STMF_CONFIG_NONE:
4698 			state->configState = STMF_CONFIG_STATE_NONE;
4699 			break;
4700 		case STMF_CONFIG_INIT:
4701 			state->configState = STMF_CONFIG_STATE_INIT;
4702 			break;
4703 		case STMF_CONFIG_INIT_DONE:
4704 			state->configState =
4705 			    STMF_CONFIG_STATE_INIT_DONE;
4706 			break;
4707 		default:
4708 			state->configState =
4709 			    STMF_CONFIG_STATE_UNKNOWN;
4710 			break;
4711 	}
4712 	return (STMF_STATUS_SUCCESS);
4713 }
4714 
4715 /*
4716  * stmfGetViewEntryList
4717  *
4718  * Purpose: Retrieves the list of view entries for the specified
4719  *          logical unit.
4720  *
4721  * lu - the guid of the logical unit for which to retrieve the view entry list
4722  * viewEntryList - a pointer to a pointer to a stmfViewEntryList structure. On
4723  *                 success, contains the list of view entries.
4724  */
4725 int
4726 stmfGetViewEntryList(stmfGuid *lu, stmfViewEntryList **viewEntryList)
4727 {
4728 	int ret;
4729 	int fd;
4730 	int ioctlRet;
4731 	int cmd = STMF_IOCTL_LU_VE_LIST;
4732 	int i;
4733 	stmf_iocdata_t stmfIoctl;
4734 	stmf_view_op_entry_t *fVeList;
4735 	uint32_t fVeListSize;
4736 	uint32_t listCnt;
4737 
4738 	if (lu == NULL || viewEntryList == NULL) {
4739 		return (STMF_ERROR_INVALID_ARG);
4740 	}
4741 
4742 	/* call init */
4743 	ret = initializeConfig();
4744 	if (ret != STMF_STATUS_SUCCESS) {
4745 		return (ret);
4746 	}
4747 
4748 	/*
4749 	 * Open control node for stmf
4750 	 */
4751 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
4752 		return (ret);
4753 
4754 	/*
4755 	 * Allocate ioctl input buffer
4756 	 */
4757 	fVeListSize = ALLOC_VE;
4758 	fVeListSize = fVeListSize * (sizeof (stmf_view_op_entry_t));
4759 	fVeList = (stmf_view_op_entry_t *)calloc(1, fVeListSize);
4760 	if (fVeList == NULL) {
4761 		ret = STMF_ERROR_NOMEM;
4762 		goto done;
4763 	}
4764 
4765 	bzero(&stmfIoctl, sizeof (stmfIoctl));
4766 	/*
4767 	 * Issue ioctl to get the LU list
4768 	 */
4769 	stmfIoctl.stmf_version = STMF_VERSION_1;
4770 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)lu;
4771 	stmfIoctl.stmf_ibuf_size = sizeof (stmfGuid);
4772 	stmfIoctl.stmf_obuf_size = fVeListSize;
4773 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fVeList;
4774 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
4775 	if (ioctlRet != 0) {
4776 		switch (errno) {
4777 			case EBUSY:
4778 				ret = STMF_ERROR_BUSY;
4779 				break;
4780 			case EPERM:
4781 			case EACCES:
4782 				ret = STMF_ERROR_PERM;
4783 				break;
4784 			default:
4785 				syslog(LOG_DEBUG,
4786 				    "stmfGetViewEntryList:ioctl errno(%d)",
4787 				    errno);
4788 				ret = STMF_STATUS_ERROR;
4789 				break;
4790 		}
4791 		goto done;
4792 	}
4793 	/*
4794 	 * Check whether input buffer was large enough
4795 	 */
4796 	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_VE) {
4797 		bzero(&stmfIoctl, sizeof (stmfIoctl));
4798 		fVeListSize = stmfIoctl.stmf_obuf_max_nentries *
4799 		    sizeof (stmf_view_op_entry_t);
4800 		free(fVeList);
4801 		fVeList = (stmf_view_op_entry_t *)calloc(1, fVeListSize);
4802 		if (fVeList == NULL) {
4803 			return (STMF_ERROR_NOMEM);
4804 		}
4805 		stmfIoctl.stmf_obuf_size = fVeListSize;
4806 		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fVeList;
4807 		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
4808 		if (ioctlRet != 0) {
4809 			switch (errno) {
4810 				case EBUSY:
4811 					ret = STMF_ERROR_BUSY;
4812 					break;
4813 				case EPERM:
4814 				case EACCES:
4815 					ret = STMF_ERROR_PERM;
4816 					break;
4817 				default:
4818 					syslog(LOG_DEBUG,
4819 					    "stmfGetLogicalUnitList:"
4820 					    "ioctl errno(%d)", errno);
4821 					ret = STMF_STATUS_ERROR;
4822 					break;
4823 			}
4824 			goto done;
4825 		}
4826 	}
4827 
4828 	if (ret != STMF_STATUS_SUCCESS) {
4829 		goto done;
4830 	}
4831 
4832 	listCnt = stmfIoctl.stmf_obuf_nentries;
4833 
4834 	/*
4835 	 * allocate caller's buffer with the final size
4836 	 */
4837 	*viewEntryList = (stmfViewEntryList *)calloc(1,
4838 	    sizeof (stmfViewEntryList) + listCnt * sizeof (stmfViewEntry));
4839 	if (*viewEntryList == NULL) {
4840 		ret = STMF_ERROR_NOMEM;
4841 		goto done;
4842 	}
4843 
4844 	(*viewEntryList)->cnt = listCnt;
4845 
4846 	/* copy to caller's buffer */
4847 	for (i = 0; i < listCnt; i++) {
4848 		(*viewEntryList)->ve[i].veIndexValid = B_TRUE;
4849 		(*viewEntryList)->ve[i].veIndex = fVeList[i].ve_ndx;
4850 		if (fVeList[i].ve_all_hosts == 1) {
4851 			(*viewEntryList)->ve[i].allHosts = B_TRUE;
4852 		} else {
4853 			bcopy(fVeList[i].ve_host_group.name,
4854 			    (*viewEntryList)->ve[i].hostGroup,
4855 			    fVeList[i].ve_host_group.name_size);
4856 		}
4857 		if (fVeList[i].ve_all_targets == 1) {
4858 			(*viewEntryList)->ve[i].allTargets = B_TRUE;
4859 		} else {
4860 			bcopy(fVeList[i].ve_target_group.name,
4861 			    (*viewEntryList)->ve[i].targetGroup,
4862 			    fVeList[i].ve_target_group.name_size);
4863 		}
4864 		bcopy(fVeList[i].ve_lu_nbr, (*viewEntryList)->ve[i].luNbr,
4865 		    sizeof ((*viewEntryList)->ve[i].luNbr));
4866 		(*viewEntryList)->ve[i].luNbrValid = B_TRUE;
4867 	}
4868 
4869 	/*
4870 	 * sort the list. This gives a consistent view across gets
4871 	 */
4872 	qsort((void *)&((*viewEntryList)->ve[0]), (*viewEntryList)->cnt,
4873 	    sizeof (stmfViewEntry), viewEntryCompare);
4874 
4875 done:
4876 	(void) close(fd);
4877 	/*
4878 	 * free internal buffers
4879 	 */
4880 	free(fVeList);
4881 	return (ret);
4882 }
4883 
4884 
4885 /*
4886  * loadHostGroups
4887  *
4888  * Purpose - issues the ioctl to load the host groups into stmf
4889  *
4890  * fd - file descriptor for the control node of stmf.
4891  * groupList - populated host group list
4892  */
4893 static int
4894 loadHostGroups(int fd, stmfGroupList *groupList)
4895 {
4896 	int i, j;
4897 	int ret = STMF_STATUS_SUCCESS;
4898 	stmfGroupProperties *groupProps = NULL;
4899 
4900 	for (i = 0; i < groupList->cnt; i++) {
4901 		if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_HOST_GROUP,
4902 		    &(groupList->name[i]))) != STMF_STATUS_SUCCESS) {
4903 			goto out;
4904 		}
4905 		ret = iLoadGroupMembersFromPs(&(groupList->name[i]),
4906 		    &groupProps, HOST_GROUP);
4907 		for (j = 0; j < groupProps->cnt; j++) {
4908 			if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_HG_ENTRY,
4909 			    &(groupList->name[i]), &(groupProps->name[j])))
4910 			    != STMF_STATUS_SUCCESS) {
4911 				goto out;
4912 			}
4913 		}
4914 	}
4915 
4916 
4917 out:
4918 	stmfFreeMemory(groupProps);
4919 	return (ret);
4920 }
4921 
4922 /*
4923  * loadTargetGroups
4924  *
4925  * Purpose - issues the ioctl to load the target groups into stmf
4926  *
4927  * fd - file descriptor for the control node of stmf.
4928  * groupList - populated target group list.
4929  */
4930 static int
4931 loadTargetGroups(int fd, stmfGroupList *groupList)
4932 {
4933 	int i, j;
4934 	int ret = STMF_STATUS_SUCCESS;
4935 	stmfGroupProperties *groupProps = NULL;
4936 
4937 	for (i = 0; i < groupList->cnt; i++) {
4938 		if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_TARGET_GROUP,
4939 		    &(groupList->name[i]))) != STMF_STATUS_SUCCESS) {
4940 			goto out;
4941 		}
4942 		ret = iLoadGroupMembersFromPs(&(groupList->name[i]),
4943 		    &groupProps, TARGET_GROUP);
4944 		for (j = 0; j < groupProps->cnt; j++) {
4945 			if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_TG_ENTRY,
4946 			    &(groupList->name[i]), &(groupProps->name[j])))
4947 			    != STMF_STATUS_SUCCESS) {
4948 				goto out;
4949 			}
4950 		}
4951 	}
4952 
4953 
4954 out:
4955 	stmfFreeMemory(groupProps);
4956 	return (ret);
4957 }
4958 
4959 
4960 /*
4961  * loadStore
4962  *
4963  * Purpose: Load the configuration data from the store
4964  *
4965  * First load the host groups and target groups, then the view entries
4966  * and finally the provider data
4967  *
4968  * fd - file descriptor of control node for stmf.
4969  */
4970 static int
4971 loadStore(int fd)
4972 {
4973 	int ret;
4974 	int i, j;
4975 	stmfGroupList *groupList = NULL;
4976 	stmfGuidList *guidList = NULL;
4977 	stmfViewEntryList *viewEntryList = NULL;
4978 	stmfProviderList *providerList = NULL;
4979 	int providerType;
4980 	nvlist_t *nvl = NULL;
4981 
4982 
4983 
4984 	/* load host groups */
4985 	ret = iLoadGroupFromPs(&groupList, HOST_GROUP);
4986 	if (ret != STMF_STATUS_SUCCESS) {
4987 		return (ret);
4988 	}
4989 	ret = loadHostGroups(fd, groupList);
4990 	if (ret != STMF_STATUS_SUCCESS) {
4991 		goto out;
4992 	}
4993 
4994 	stmfFreeMemory(groupList);
4995 	groupList = NULL;
4996 
4997 	/* load target groups */
4998 	ret = iLoadGroupFromPs(&groupList, TARGET_GROUP);
4999 	if (ret != STMF_STATUS_SUCCESS) {
5000 		goto out;
5001 	}
5002 	ret = loadTargetGroups(fd, groupList);
5003 	if (ret != STMF_STATUS_SUCCESS) {
5004 		goto out;
5005 	}
5006 
5007 	stmfFreeMemory(groupList);
5008 	groupList = NULL;
5009 
5010 	/* Get the guid list */
5011 	ret = psGetLogicalUnitList(&guidList);
5012 	switch (ret) {
5013 		case STMF_PS_SUCCESS:
5014 			ret = STMF_STATUS_SUCCESS;
5015 			break;
5016 		case STMF_PS_ERROR_NOT_FOUND:
5017 			ret = STMF_ERROR_NOT_FOUND;
5018 			break;
5019 		case STMF_PS_ERROR_BUSY:
5020 			ret = STMF_ERROR_BUSY;
5021 			break;
5022 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5023 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
5024 			break;
5025 		case STMF_PS_ERROR_VERSION_MISMATCH:
5026 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
5027 			break;
5028 		default:
5029 			ret = STMF_STATUS_ERROR;
5030 			break;
5031 	}
5032 
5033 	if (ret != STMF_STATUS_SUCCESS) {
5034 		goto out;
5035 	}
5036 
5037 	/*
5038 	 * We have the guid list, now get the corresponding
5039 	 * view entries for each guid
5040 	 */
5041 	for (i = 0; i < guidList->cnt; i++) {
5042 		ret = psGetViewEntryList(&guidList->guid[i], &viewEntryList);
5043 		switch (ret) {
5044 			case STMF_PS_SUCCESS:
5045 				ret = STMF_STATUS_SUCCESS;
5046 				break;
5047 			case STMF_PS_ERROR_NOT_FOUND:
5048 				ret = STMF_ERROR_NOT_FOUND;
5049 				break;
5050 			case STMF_PS_ERROR_BUSY:
5051 				ret = STMF_ERROR_BUSY;
5052 				break;
5053 			case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5054 				ret = STMF_ERROR_SERVICE_NOT_FOUND;
5055 				break;
5056 			case STMF_PS_ERROR_VERSION_MISMATCH:
5057 				ret = STMF_ERROR_SERVICE_DATA_VERSION;
5058 				break;
5059 			default:
5060 				ret = STMF_STATUS_ERROR;
5061 				break;
5062 		}
5063 		if (ret != STMF_STATUS_SUCCESS) {
5064 			goto out;
5065 		}
5066 		for (j = 0; j < viewEntryList->cnt; j++) {
5067 			ret = addViewEntryIoctl(fd, &guidList->guid[i],
5068 			    &viewEntryList->ve[j]);
5069 			if (ret != STMF_STATUS_SUCCESS) {
5070 				goto out;
5071 			}
5072 		}
5073 	}
5074 
5075 	/* get the list of providers that have data */
5076 	ret = psGetProviderDataList(&providerList);
5077 	switch (ret) {
5078 		case STMF_PS_SUCCESS:
5079 			ret = STMF_STATUS_SUCCESS;
5080 			break;
5081 		case STMF_PS_ERROR_NOT_FOUND:
5082 			ret = STMF_ERROR_NOT_FOUND;
5083 			break;
5084 		case STMF_PS_ERROR_BUSY:
5085 			ret = STMF_ERROR_BUSY;
5086 			break;
5087 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5088 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
5089 			break;
5090 		case STMF_PS_ERROR_VERSION_MISMATCH:
5091 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
5092 			break;
5093 		default:
5094 			ret = STMF_STATUS_ERROR;
5095 			break;
5096 	}
5097 	if (ret != STMF_STATUS_SUCCESS) {
5098 		goto out;
5099 	}
5100 
5101 	for (i = 0; i < providerList->cnt; i++) {
5102 		providerType = providerList->provider[i].providerType;
5103 		ret = psGetProviderData(providerList->provider[i].name,
5104 		    &nvl, providerType, NULL);
5105 		switch (ret) {
5106 			case STMF_PS_SUCCESS:
5107 				ret = STMF_STATUS_SUCCESS;
5108 				break;
5109 			case STMF_PS_ERROR_NOT_FOUND:
5110 				ret = STMF_ERROR_NOT_FOUND;
5111 				break;
5112 			case STMF_PS_ERROR_BUSY:
5113 				ret = STMF_ERROR_BUSY;
5114 				break;
5115 			case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5116 				ret = STMF_ERROR_SERVICE_NOT_FOUND;
5117 				break;
5118 			case STMF_PS_ERROR_VERSION_MISMATCH:
5119 				ret = STMF_ERROR_SERVICE_DATA_VERSION;
5120 				break;
5121 			default:
5122 				ret = STMF_STATUS_ERROR;
5123 				break;
5124 		}
5125 		if (ret != STMF_STATUS_SUCCESS) {
5126 			goto out;
5127 		}
5128 
5129 		/* call setProviderData */
5130 		ret = setProviderData(fd, providerList->provider[i].name, nvl,
5131 		    providerType, NULL);
5132 		switch (ret) {
5133 			case STMF_PS_SUCCESS:
5134 				ret = STMF_STATUS_SUCCESS;
5135 				break;
5136 			case STMF_PS_ERROR_NOT_FOUND:
5137 				ret = STMF_ERROR_NOT_FOUND;
5138 				break;
5139 			case STMF_PS_ERROR_BUSY:
5140 				ret = STMF_ERROR_BUSY;
5141 				break;
5142 			case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5143 				ret = STMF_ERROR_SERVICE_NOT_FOUND;
5144 				break;
5145 			case STMF_PS_ERROR_VERSION_MISMATCH:
5146 				ret = STMF_ERROR_SERVICE_DATA_VERSION;
5147 				break;
5148 			default:
5149 				ret = STMF_STATUS_ERROR;
5150 				break;
5151 		}
5152 		if (ret != STMF_STATUS_SUCCESS) {
5153 			goto out;
5154 		}
5155 
5156 		nvlist_free(nvl);
5157 		nvl = NULL;
5158 	}
5159 out:
5160 	if (groupList != NULL) {
5161 		free(groupList);
5162 	}
5163 	if (guidList != NULL) {
5164 		free(guidList);
5165 	}
5166 	if (viewEntryList != NULL) {
5167 		free(viewEntryList);
5168 	}
5169 	if (nvl != NULL) {
5170 		nvlist_free(nvl);
5171 	}
5172 	return (ret);
5173 }
5174 
5175 /*
5176  * stmfGetAluaState
5177  *
5178  * Purpose - Get the alua state
5179  *
5180  */
5181 int
5182 stmfGetAluaState(boolean_t *enabled, uint32_t *node)
5183 {
5184 	int ret = STMF_STATUS_SUCCESS;
5185 	int fd;
5186 	stmf_iocdata_t stmfIoctl = {0};
5187 	stmf_alua_state_desc_t alua_state = {0};
5188 	int ioctlRet;
5189 
5190 	if (enabled == NULL || node == NULL) {
5191 		return (STMF_ERROR_INVALID_ARG);
5192 	}
5193 
5194 	/*
5195 	 * Open control node for stmf
5196 	 */
5197 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
5198 		return (ret);
5199 
5200 	/*
5201 	 * Issue ioctl to get the stmf state
5202 	 */
5203 	stmfIoctl.stmf_version = STMF_VERSION_1;
5204 	stmfIoctl.stmf_obuf_size = sizeof (alua_state);
5205 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&alua_state;
5206 	ioctlRet = ioctl(fd, STMF_IOCTL_GET_ALUA_STATE, &stmfIoctl);
5207 
5208 	(void) close(fd);
5209 
5210 	if (ioctlRet != 0) {
5211 		switch (errno) {
5212 			case EBUSY:
5213 				ret = STMF_ERROR_BUSY;
5214 				break;
5215 			case EPERM:
5216 			case EACCES:
5217 				ret = STMF_ERROR_PERM;
5218 				break;
5219 			default:
5220 				syslog(LOG_DEBUG,
5221 				    "getStmfState:ioctl errno(%d)", errno);
5222 				ret = STMF_STATUS_ERROR;
5223 				break;
5224 		}
5225 	} else {
5226 		if (alua_state.alua_state == 1) {
5227 			*enabled = B_TRUE;
5228 		} else {
5229 			*enabled = B_FALSE;
5230 		}
5231 		*node = alua_state.alua_node;
5232 	}
5233 
5234 	return (ret);
5235 }
5236 
5237 /*
5238  * stmfSetAluaState
5239  *
5240  * Purpose - set the alua state to enabled/disabled
5241  *
5242  */
5243 int
5244 stmfSetAluaState(boolean_t enabled, uint32_t node)
5245 {
5246 	int ret = STMF_STATUS_SUCCESS;
5247 	int fd;
5248 	stmf_iocdata_t stmfIoctl = {0};
5249 	stmf_alua_state_desc_t alua_state = {0};
5250 	int ioctlRet;
5251 
5252 	if ((enabled != B_TRUE && enabled != B_FALSE) || (node > 1)) {
5253 		return (STMF_ERROR_INVALID_ARG);
5254 	}
5255 
5256 	if (enabled) {
5257 		alua_state.alua_state = 1;
5258 	}
5259 
5260 	alua_state.alua_node = node;
5261 
5262 	/*
5263 	 * Open control node for stmf
5264 	 */
5265 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
5266 		return (ret);
5267 
5268 	/*
5269 	 * Issue ioctl to get the stmf state
5270 	 */
5271 	stmfIoctl.stmf_version = STMF_VERSION_1;
5272 	stmfIoctl.stmf_ibuf_size = sizeof (alua_state);
5273 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&alua_state;
5274 	ioctlRet = ioctl(fd, STMF_IOCTL_SET_ALUA_STATE, &stmfIoctl);
5275 
5276 	(void) close(fd);
5277 
5278 	if (ioctlRet != 0) {
5279 		switch (errno) {
5280 			case EBUSY:
5281 				ret = STMF_ERROR_BUSY;
5282 				break;
5283 			case EPERM:
5284 			case EACCES:
5285 				ret = STMF_ERROR_PERM;
5286 				break;
5287 			default:
5288 				syslog(LOG_DEBUG,
5289 				    "getStmfState:ioctl errno(%d)", errno);
5290 				ret = STMF_STATUS_ERROR;
5291 				break;
5292 		}
5293 	}
5294 	if (!enabled && ret == STMF_STATUS_SUCCESS) {
5295 		deleteNonActiveLus();
5296 	}
5297 
5298 	return (ret);
5299 }
5300 
5301 static void
5302 deleteNonActiveLus()
5303 {
5304 	int stmfRet;
5305 	int i;
5306 	stmfGuidList *luList;
5307 	luResource hdl = NULL;
5308 	char propVal[10];
5309 	size_t propValSize = sizeof (propVal);
5310 
5311 	stmfRet = stmfGetLogicalUnitList(&luList);
5312 	if (stmfRet != STMF_STATUS_SUCCESS) {
5313 		return;
5314 	}
5315 
5316 	for (i = 0; i < luList->cnt; i++) {
5317 		stmfRet = stmfGetLuResource(&luList->guid[i], &hdl);
5318 		if (stmfRet != STMF_STATUS_SUCCESS) {
5319 			goto err;
5320 		}
5321 		stmfRet = stmfGetLuProp(hdl, STMF_LU_PROP_ACCESS_STATE, propVal,
5322 		    &propValSize);
5323 		if (stmfRet != STMF_STATUS_SUCCESS) {
5324 			goto err;
5325 		}
5326 		if (propVal[0] == '0') {
5327 			(void) stmfFreeLuResource(hdl);
5328 			hdl = NULL;
5329 			continue;
5330 		}
5331 		(void) stmfDeleteLu(&luList->guid[i]);
5332 		(void) stmfFreeLuResource(hdl);
5333 		hdl = NULL;
5334 	}
5335 
5336 err:
5337 	stmfFreeMemory(luList);
5338 	(void) stmfFreeLuResource(hdl);
5339 }
5340 
5341 /*
5342  * stmfLoadConfig
5343  *
5344  * Purpose - load the configuration data from smf into stmf
5345  *
5346  */
5347 int
5348 stmfLoadConfig(void)
5349 {
5350 	int ret = STMF_STATUS_SUCCESS;
5351 	int fd;
5352 	stmf_state_desc_t stmfStateSet;
5353 	stmfState state;
5354 
5355 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
5356 		stmfStateSet.state = STMF_STATE_OFFLINE;
5357 
5358 		if ((ret = openStmf(OPEN_EXCL_STMF, &fd))
5359 		    != STMF_STATUS_SUCCESS) {
5360 			return (ret);
5361 		}
5362 		/*
5363 		 * Configuration not stored persistently; nothing to
5364 		 * initialize so do not set to STMF_CONFIG_INIT.
5365 		 */
5366 		stmfStateSet.config_state = STMF_CONFIG_INIT_DONE;
5367 		goto done;
5368 	}
5369 
5370 	/* Check to ensure service exists */
5371 	if (psCheckService() != STMF_STATUS_SUCCESS) {
5372 		return (STMF_ERROR_SERVICE_NOT_FOUND);
5373 	}
5374 
5375 	ret = stmfGetState(&state);
5376 	if (ret == STMF_STATUS_SUCCESS) {
5377 		if (state.operationalState != STMF_SERVICE_STATE_OFFLINE) {
5378 			return (STMF_ERROR_SERVICE_ONLINE);
5379 		}
5380 	} else {
5381 		return (STMF_STATUS_ERROR);
5382 	}
5383 
5384 
5385 	stmfStateSet.state = STMF_STATE_OFFLINE;
5386 	stmfStateSet.config_state = STMF_CONFIG_INIT;
5387 
5388 	/*
5389 	 * Open control node for stmf
5390 	 */
5391 	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
5392 		return (ret);
5393 
5394 	ret = setStmfState(fd, &stmfStateSet, STMF_SERVICE_TYPE);
5395 	if (ret != STMF_STATUS_SUCCESS) {
5396 		goto done;
5397 	}
5398 
5399 	/* Load the persistent configuration data */
5400 	ret = loadStore(fd);
5401 	if (ret != 0) {
5402 		goto done;
5403 	}
5404 
5405 	stmfStateSet.state = STMF_STATE_OFFLINE;
5406 	stmfStateSet.config_state = STMF_CONFIG_INIT_DONE;
5407 
5408 done:
5409 	if (ret == STMF_STATUS_SUCCESS) {
5410 		ret = setStmfState(fd, &stmfStateSet, STMF_SERVICE_TYPE);
5411 	}
5412 	(void) close(fd);
5413 	return (ret);
5414 }
5415 
5416 
5417 /*
5418  * getStmfState
5419  *
5420  * stmfState - pointer to stmf_state_desc_t structure. Will contain the state
5421  *             information of the stmf service on success.
5422  */
5423 static int
5424 getStmfState(stmf_state_desc_t *stmfState)
5425 {
5426 	int ret = STMF_STATUS_SUCCESS;
5427 	int fd;
5428 	int ioctlRet;
5429 	stmf_iocdata_t stmfIoctl;
5430 
5431 	/*
5432 	 * Open control node for stmf
5433 	 */
5434 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
5435 		return (ret);
5436 
5437 	bzero(&stmfIoctl, sizeof (stmfIoctl));
5438 	/*
5439 	 * Issue ioctl to get the stmf state
5440 	 */
5441 	stmfIoctl.stmf_version = STMF_VERSION_1;
5442 	stmfIoctl.stmf_ibuf_size = sizeof (stmf_state_desc_t);
5443 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)stmfState;
5444 	stmfIoctl.stmf_obuf_size = sizeof (stmf_state_desc_t);
5445 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)stmfState;
5446 	ioctlRet = ioctl(fd, STMF_IOCTL_GET_STMF_STATE, &stmfIoctl);
5447 
5448 	(void) close(fd);
5449 
5450 	if (ioctlRet != 0) {
5451 		switch (errno) {
5452 			case EBUSY:
5453 				ret = STMF_ERROR_BUSY;
5454 				break;
5455 			case EPERM:
5456 			case EACCES:
5457 				ret = STMF_ERROR_PERM;
5458 				break;
5459 			default:
5460 				syslog(LOG_DEBUG,
5461 				    "getStmfState:ioctl errno(%d)", errno);
5462 				ret = STMF_STATUS_ERROR;
5463 				break;
5464 		}
5465 	}
5466 	return (ret);
5467 }
5468 
5469 
5470 /*
5471  * setStmfState
5472  *
5473  * stmfState - pointer to caller set state structure
5474  * objectType - one of:
5475  *		LOGICAL_UNIT_TYPE
5476  *		TARGET_TYPE
5477  *		STMF_SERVICE_TYPE
5478  */
5479 static int
5480 setStmfState(int fd, stmf_state_desc_t *stmfState, int objectType)
5481 {
5482 	int ret = STMF_STATUS_SUCCESS;
5483 	int ioctlRet;
5484 	int cmd;
5485 	stmf_iocdata_t stmfIoctl;
5486 
5487 	switch (objectType) {
5488 		case LOGICAL_UNIT_TYPE:
5489 			cmd = STMF_IOCTL_SET_LU_STATE;
5490 			break;
5491 		case TARGET_TYPE:
5492 			cmd = STMF_IOCTL_SET_TARGET_PORT_STATE;
5493 			break;
5494 		case STMF_SERVICE_TYPE:
5495 			cmd = STMF_IOCTL_SET_STMF_STATE;
5496 			break;
5497 		default:
5498 			ret = STMF_STATUS_ERROR;
5499 			goto done;
5500 	}
5501 
5502 	bzero(&stmfIoctl, sizeof (stmfIoctl));
5503 	/*
5504 	 * Issue ioctl to set the stmf state
5505 	 */
5506 	stmfIoctl.stmf_version = STMF_VERSION_1;
5507 	stmfIoctl.stmf_ibuf_size = sizeof (stmf_state_desc_t);
5508 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)stmfState;
5509 	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
5510 	if (ioctlRet != 0) {
5511 		switch (errno) {
5512 			case EBUSY:
5513 				ret = STMF_ERROR_BUSY;
5514 				break;
5515 			case EPERM:
5516 			case EACCES:
5517 				ret = STMF_ERROR_PERM;
5518 				break;
5519 			case ENOENT:
5520 				ret = STMF_ERROR_NOT_FOUND;
5521 				break;
5522 			default:
5523 				syslog(LOG_DEBUG,
5524 				    "setStmfState:ioctl errno(%d)", errno);
5525 				ret = STMF_STATUS_ERROR;
5526 				break;
5527 		}
5528 	}
5529 done:
5530 	return (ret);
5531 }
5532 
5533 /*
5534  * stmfOnline
5535  *
5536  * Purpose: Online stmf service
5537  *
5538  */
5539 int
5540 stmfOnline(void)
5541 {
5542 	int ret;
5543 	int fd;
5544 	stmfState state;
5545 	stmf_state_desc_t iState;
5546 
5547 	ret = stmfGetState(&state);
5548 	if (ret == STMF_STATUS_SUCCESS) {
5549 		if (state.operationalState == STMF_SERVICE_STATE_ONLINE) {
5550 			return (STMF_ERROR_SERVICE_ONLINE);
5551 		}
5552 	} else {
5553 		return (STMF_STATUS_ERROR);
5554 	}
5555 	iState.state = STMF_STATE_ONLINE;
5556 	iState.config_state = STMF_CONFIG_NONE;
5557 	/*
5558 	 * Open control node for stmf
5559 	 * to make call to setStmfState()
5560 	 */
5561 	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
5562 		return (ret);
5563 	ret = setStmfState(fd, &iState, STMF_SERVICE_TYPE);
5564 	(void) close(fd);
5565 	return (ret);
5566 }
5567 
5568 /*
5569  * stmfOffline
5570  *
5571  * Purpose: Offline stmf service
5572  *
5573  */
5574 int
5575 stmfOffline(void)
5576 {
5577 	int ret;
5578 	int fd;
5579 	stmfState state;
5580 	stmf_state_desc_t iState;
5581 
5582 	ret = stmfGetState(&state);
5583 	if (ret == STMF_STATUS_SUCCESS) {
5584 		if (state.operationalState == STMF_SERVICE_STATE_OFFLINE) {
5585 			return (STMF_ERROR_SERVICE_OFFLINE);
5586 		}
5587 	} else {
5588 		return (STMF_STATUS_ERROR);
5589 	}
5590 	iState.state = STMF_STATE_OFFLINE;
5591 	iState.config_state = STMF_CONFIG_NONE;
5592 
5593 	/*
5594 	 * Open control node for stmf
5595 	 * to make call to setStmfState()
5596 	 */
5597 	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
5598 		return (ret);
5599 	ret = setStmfState(fd, &iState, STMF_SERVICE_TYPE);
5600 	(void) close(fd);
5601 	return (ret);
5602 }
5603 
5604 
5605 /*
5606  * stmfOfflineTarget
5607  *
5608  * Purpose: Change state of target to offline
5609  *
5610  * devid - devid of the target to offline
5611  */
5612 int
5613 stmfOfflineTarget(stmfDevid *devid)
5614 {
5615 	stmf_state_desc_t targetState;
5616 	int ret = STMF_STATUS_SUCCESS;
5617 	int fd;
5618 
5619 	if (devid == NULL) {
5620 		return (STMF_ERROR_INVALID_ARG);
5621 	}
5622 	bzero(&targetState, sizeof (targetState));
5623 
5624 	targetState.state = STMF_STATE_OFFLINE;
5625 	targetState.ident[IDENT_LENGTH_BYTE] = devid->identLength;
5626 	bcopy(&(devid->ident), &targetState.ident[IDENT_LENGTH_BYTE + 1],
5627 	    devid->identLength);
5628 	/*
5629 	 * Open control node for stmf
5630 	 * to make call to setStmfState()
5631 	 */
5632 	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
5633 		return (ret);
5634 	ret = setStmfState(fd, &targetState, TARGET_TYPE);
5635 	(void) close(fd);
5636 	return (ret);
5637 }
5638 
5639 /*
5640  * stmfOfflineLogicalUnit
5641  *
5642  * Purpose: Change state of logical unit to offline
5643  *
5644  * lu - guid of the logical unit to offline
5645  */
5646 int
5647 stmfOfflineLogicalUnit(stmfGuid *lu)
5648 {
5649 	stmf_state_desc_t luState;
5650 	int ret = STMF_STATUS_SUCCESS;
5651 	int fd;
5652 
5653 	if (lu == NULL) {
5654 		return (STMF_ERROR_INVALID_ARG);
5655 	}
5656 
5657 	bzero(&luState, sizeof (luState));
5658 
5659 	luState.state = STMF_STATE_OFFLINE;
5660 	bcopy(lu, &luState.ident, sizeof (stmfGuid));
5661 	/*
5662 	 * Open control node for stmf
5663 	 * to make call to setStmfState()
5664 	 */
5665 	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
5666 		return (ret);
5667 	ret = setStmfState(fd, &luState, LOGICAL_UNIT_TYPE);
5668 	(void) close(fd);
5669 	return (ret);
5670 }
5671 
5672 /*
5673  * stmfOnlineTarget
5674  *
5675  * Purpose: Change state of target to online
5676  *
5677  * devid - devid of the target to online
5678  */
5679 int
5680 stmfOnlineTarget(stmfDevid *devid)
5681 {
5682 	stmf_state_desc_t targetState;
5683 	int ret = STMF_STATUS_SUCCESS;
5684 	int fd;
5685 
5686 	if (devid == NULL) {
5687 		return (STMF_ERROR_INVALID_ARG);
5688 	}
5689 	bzero(&targetState, sizeof (targetState));
5690 
5691 	targetState.state = STMF_STATE_ONLINE;
5692 	targetState.ident[IDENT_LENGTH_BYTE] = devid->identLength;
5693 	bcopy(&(devid->ident), &targetState.ident[IDENT_LENGTH_BYTE + 1],
5694 	    devid->identLength);
5695 	/*
5696 	 * Open control node for stmf
5697 	 * to make call to setStmfState()
5698 	 */
5699 	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
5700 		return (ret);
5701 	ret = setStmfState(fd, &targetState, TARGET_TYPE);
5702 	(void) close(fd);
5703 	return (ret);
5704 }
5705 
5706 /*
5707  * stmfOnlineLogicalUnit
5708  *
5709  * Purpose: Change state of logical unit to online
5710  *
5711  * lu - guid of the logical unit to online
5712  */
5713 int
5714 stmfOnlineLogicalUnit(stmfGuid *lu)
5715 {
5716 	stmf_state_desc_t luState;
5717 	int ret = STMF_STATUS_SUCCESS;
5718 	int fd;
5719 
5720 	if (lu == NULL) {
5721 		return (STMF_ERROR_INVALID_ARG);
5722 	}
5723 
5724 	bzero(&luState, sizeof (luState));
5725 
5726 	luState.state = STMF_STATE_ONLINE;
5727 	bcopy(lu, &luState.ident, sizeof (stmfGuid));
5728 	/*
5729 	 * Open control node for stmf
5730 	 * to make call to setStmfState()
5731 	 */
5732 	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
5733 		return (ret);
5734 	ret = setStmfState(fd, &luState, LOGICAL_UNIT_TYPE);
5735 	(void) close(fd);
5736 	return (ret);
5737 }
5738 
5739 /*
5740  * stmfRemoveFromHostGroup
5741  *
5742  * Purpose: Removes an initiator from an initiator group
5743  *
5744  * hostGroupName - name of an initiator group
5745  * hostName - name of host group member to remove
5746  */
5747 int
5748 stmfRemoveFromHostGroup(stmfGroupName *hostGroupName, stmfDevid *hostName)
5749 {
5750 	int ret;
5751 	int fd;
5752 
5753 	if (hostGroupName == NULL ||
5754 	    (strnlen((char *)hostGroupName, sizeof (stmfGroupName))
5755 	    == sizeof (stmfGroupName)) || hostName == NULL) {
5756 		return (STMF_ERROR_INVALID_ARG);
5757 	}
5758 
5759 	/* call init */
5760 	ret = initializeConfig();
5761 	if (ret != STMF_STATUS_SUCCESS) {
5762 		return (ret);
5763 	}
5764 
5765 	/*
5766 	 * Open control node for stmf
5767 	 */
5768 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
5769 		return (ret);
5770 
5771 	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_REMOVE_HG_ENTRY,
5772 	    hostGroupName, hostName)) != STMF_STATUS_SUCCESS) {
5773 		goto done;
5774 	}
5775 
5776 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
5777 		goto done;
5778 	}
5779 
5780 	ret = psRemoveHostGroupMember((char *)hostGroupName,
5781 	    (char *)hostName->ident);
5782 	switch (ret) {
5783 		case STMF_PS_SUCCESS:
5784 			ret = STMF_STATUS_SUCCESS;
5785 			break;
5786 		case STMF_PS_ERROR_MEMBER_NOT_FOUND:
5787 			ret = STMF_ERROR_MEMBER_NOT_FOUND;
5788 			break;
5789 		case STMF_PS_ERROR_GROUP_NOT_FOUND:
5790 			ret = STMF_ERROR_GROUP_NOT_FOUND;
5791 			break;
5792 		case STMF_PS_ERROR_BUSY:
5793 			ret = STMF_ERROR_BUSY;
5794 			break;
5795 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5796 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
5797 			break;
5798 		case STMF_PS_ERROR_VERSION_MISMATCH:
5799 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
5800 			break;
5801 		default:
5802 			syslog(LOG_DEBUG,
5803 			    "stmfRemoveFromHostGroup"
5804 			    "psRemoveHostGroupMember:error(%d)", ret);
5805 			ret = STMF_STATUS_ERROR;
5806 			break;
5807 	}
5808 
5809 done:
5810 	(void) close(fd);
5811 	return (ret);
5812 }
5813 
5814 /*
5815  * stmfRemoveFromTargetGroup
5816  *
5817  * Purpose: Removes a local port from a local port group
5818  *
5819  * targetGroupName - name of a target group
5820  * targetName - name of target to remove
5821  */
5822 int
5823 stmfRemoveFromTargetGroup(stmfGroupName *targetGroupName, stmfDevid *targetName)
5824 {
5825 	int ret;
5826 	int fd;
5827 
5828 	if (targetGroupName == NULL ||
5829 	    (strnlen((char *)targetGroupName, sizeof (stmfGroupName))
5830 	    == sizeof (stmfGroupName)) || targetName == NULL) {
5831 		return (STMF_ERROR_INVALID_ARG);
5832 	}
5833 
5834 	/* call init */
5835 	ret = initializeConfig();
5836 	if (ret != STMF_STATUS_SUCCESS) {
5837 		return (ret);
5838 	}
5839 
5840 	/*
5841 	 * Open control node for stmf
5842 	 */
5843 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
5844 		return (ret);
5845 
5846 	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_REMOVE_TG_ENTRY,
5847 	    targetGroupName, targetName)) != STMF_STATUS_SUCCESS) {
5848 		goto done;
5849 	}
5850 
5851 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
5852 		goto done;
5853 	}
5854 
5855 	ret = psRemoveTargetGroupMember((char *)targetGroupName,
5856 	    (char *)targetName->ident);
5857 	switch (ret) {
5858 		case STMF_PS_SUCCESS:
5859 			ret = STMF_STATUS_SUCCESS;
5860 			break;
5861 		case STMF_PS_ERROR_MEMBER_NOT_FOUND:
5862 			ret = STMF_ERROR_MEMBER_NOT_FOUND;
5863 			break;
5864 		case STMF_PS_ERROR_GROUP_NOT_FOUND:
5865 			ret = STMF_ERROR_GROUP_NOT_FOUND;
5866 			break;
5867 		case STMF_PS_ERROR_BUSY:
5868 			ret = STMF_ERROR_BUSY;
5869 			break;
5870 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5871 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
5872 			break;
5873 		case STMF_PS_ERROR_VERSION_MISMATCH:
5874 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
5875 			break;
5876 		default:
5877 			syslog(LOG_DEBUG,
5878 			    "stmfRemoveFromTargetGroup"
5879 			    "psRemoveTargetGroupMember:error(%d)", ret);
5880 			ret = STMF_STATUS_ERROR;
5881 			break;
5882 	}
5883 
5884 done:
5885 	(void) close(fd);
5886 	return (ret);
5887 }
5888 
5889 /*
5890  * stmfRemoveViewEntry
5891  *
5892  * Purpose: Removes a view entry from a logical unit
5893  *
5894  * lu - guid of lu for which view entry is being removed
5895  * viewEntryIndex - index of view entry to remove
5896  *
5897  */
5898 int
5899 stmfRemoveViewEntry(stmfGuid *lu, uint32_t viewEntryIndex)
5900 {
5901 	int ret = STMF_STATUS_SUCCESS;
5902 	int fd;
5903 	int ioctlRet;
5904 	stmf_iocdata_t stmfIoctl;
5905 	stmf_view_op_entry_t ioctlViewEntry;
5906 
5907 	if (lu == NULL) {
5908 		return (STMF_ERROR_INVALID_ARG);
5909 	}
5910 
5911 	/* call init */
5912 	ret = initializeConfig();
5913 	if (ret != STMF_STATUS_SUCCESS) {
5914 		return (ret);
5915 	}
5916 
5917 	/*
5918 	 * Open control node for stmf
5919 	 */
5920 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
5921 		return (ret);
5922 
5923 	bzero(&ioctlViewEntry, sizeof (ioctlViewEntry));
5924 	ioctlViewEntry.ve_ndx_valid = B_TRUE;
5925 	ioctlViewEntry.ve_ndx = viewEntryIndex;
5926 	bcopy(lu, &ioctlViewEntry.ve_guid, sizeof (stmfGuid));
5927 
5928 	bzero(&stmfIoctl, sizeof (stmfIoctl));
5929 	/*
5930 	 * Issue ioctl to add to the view entry
5931 	 */
5932 	stmfIoctl.stmf_version = STMF_VERSION_1;
5933 	stmfIoctl.stmf_ibuf_size = sizeof (ioctlViewEntry);
5934 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ioctlViewEntry;
5935 	ioctlRet = ioctl(fd, STMF_IOCTL_REMOVE_VIEW_ENTRY, &stmfIoctl);
5936 	if (ioctlRet != 0) {
5937 		switch (errno) {
5938 			case EBUSY:
5939 				ret = STMF_ERROR_BUSY;
5940 				break;
5941 			case EPERM:
5942 				ret = STMF_ERROR_PERM;
5943 				break;
5944 			case EACCES:
5945 				switch (stmfIoctl.stmf_error) {
5946 					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
5947 						ret = STMF_ERROR_CONFIG_NONE;
5948 						break;
5949 					default:
5950 						ret = STMF_ERROR_PERM;
5951 						break;
5952 				}
5953 				break;
5954 			case ENODEV:
5955 			case ENOENT:
5956 				ret = STMF_ERROR_NOT_FOUND;
5957 				break;
5958 			default:
5959 				syslog(LOG_DEBUG,
5960 				    "stmfRemoveViewEntry:ioctl errno(%d)",
5961 				    errno);
5962 				ret = STMF_STATUS_ERROR;
5963 				break;
5964 		}
5965 		goto done;
5966 	}
5967 
5968 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
5969 		goto done;
5970 	}
5971 
5972 	ret = psRemoveViewEntry(lu, viewEntryIndex);
5973 	switch (ret) {
5974 		case STMF_PS_SUCCESS:
5975 			ret = STMF_STATUS_SUCCESS;
5976 			break;
5977 		case STMF_PS_ERROR_NOT_FOUND:
5978 			ret = STMF_ERROR_NOT_FOUND;
5979 			break;
5980 		case STMF_PS_ERROR_BUSY:
5981 			ret = STMF_ERROR_BUSY;
5982 			break;
5983 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
5984 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
5985 			break;
5986 		case STMF_PS_ERROR_VERSION_MISMATCH:
5987 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
5988 			break;
5989 		default:
5990 			syslog(LOG_DEBUG,
5991 			    "stmfRemoveViewEntry" "psRemoveViewEntry:error(%d)",
5992 			    ret);
5993 			ret = STMF_STATUS_ERROR;
5994 			break;
5995 	}
5996 
5997 done:
5998 	(void) close(fd);
5999 	return (ret);
6000 }
6001 
6002 /*
6003  * stmfSetProviderData
6004  *
6005  * Purpose: set the provider data
6006  *
6007  * providerName - unique name of provider
6008  * nvl - nvlist to set
6009  * providerType - type of provider for which to set data
6010  *		STMF_LU_PROVIDER_TYPE
6011  *		STMF_PORT_PROVIDER_TYPE
6012  */
6013 int
6014 stmfSetProviderData(char *providerName, nvlist_t *nvl, int providerType)
6015 {
6016 	return (stmfSetProviderDataProt(providerName, nvl, providerType,
6017 	    NULL));
6018 }
6019 
6020 /*
6021  * stmfSetProviderDataProt
6022  *
6023  * Purpose: set the provider data
6024  *
6025  * providerName - unique name of provider
6026  * nvl - nvlist to set
6027  * providerType - type of provider for which to set data
6028  *		STMF_LU_PROVIDER_TYPE
6029  *		STMF_PORT_PROVIDER_TYPE
6030  * setToken - Stale data token returned in the stmfGetProviderDataProt()
6031  *	      call or NULL.
6032  */
6033 int
6034 stmfSetProviderDataProt(char *providerName, nvlist_t *nvl, int providerType,
6035     uint64_t *setToken)
6036 {
6037 	int ret;
6038 	int fd;
6039 
6040 	if (providerName == NULL || nvl == NULL) {
6041 		return (STMF_ERROR_INVALID_ARG);
6042 	}
6043 
6044 	if (providerType != STMF_LU_PROVIDER_TYPE &&
6045 	    providerType != STMF_PORT_PROVIDER_TYPE) {
6046 		return (STMF_ERROR_INVALID_ARG);
6047 	}
6048 
6049 	/* call init */
6050 	ret = initializeConfig();
6051 	if (ret != STMF_STATUS_SUCCESS) {
6052 		return (ret);
6053 	}
6054 
6055 	/*
6056 	 * Open control node for stmf
6057 	 */
6058 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
6059 		return (ret);
6060 
6061 	ret = setProviderData(fd, providerName, nvl, providerType, setToken);
6062 
6063 	(void) close(fd);
6064 
6065 	if (ret != STMF_STATUS_SUCCESS) {
6066 		goto done;
6067 	}
6068 
6069 	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
6070 		goto done;
6071 	}
6072 
6073 	/* setting driver provider data successful. Now persist it */
6074 	ret = psSetProviderData(providerName, nvl, providerType, NULL);
6075 	switch (ret) {
6076 		case STMF_PS_SUCCESS:
6077 			ret = STMF_STATUS_SUCCESS;
6078 			break;
6079 		case STMF_PS_ERROR_EXISTS:
6080 			ret = STMF_ERROR_EXISTS;
6081 			break;
6082 		case STMF_PS_ERROR_BUSY:
6083 			ret = STMF_ERROR_BUSY;
6084 			break;
6085 		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
6086 			ret = STMF_ERROR_SERVICE_NOT_FOUND;
6087 			break;
6088 		case STMF_PS_ERROR_VERSION_MISMATCH:
6089 			ret = STMF_ERROR_SERVICE_DATA_VERSION;
6090 			break;
6091 		case STMF_PS_ERROR_PROV_DATA_STALE:
6092 			ret = STMF_ERROR_PROV_DATA_STALE;
6093 			break;
6094 		default:
6095 			syslog(LOG_DEBUG,
6096 			    "stmfSetProviderData"
6097 			    "psSetProviderData:error(%d)", ret);
6098 			ret = STMF_STATUS_ERROR;
6099 			break;
6100 	}
6101 
6102 done:
6103 	return (ret);
6104 }
6105 
6106 /*
6107  * getProviderData
6108  *
6109  * Purpose: set the provider data from stmf
6110  *
6111  * providerName - unique name of provider
6112  * nvl - nvlist to load/retrieve
6113  * providerType - logical unit or port provider
6114  * setToken - returned stale data token
6115  */
6116 int
6117 getProviderData(char *providerName, nvlist_t **nvl, int providerType,
6118     uint64_t *setToken)
6119 {
6120 	int ret = STMF_STATUS_SUCCESS;
6121 	int fd;
6122 	int ioctlRet;
6123 	size_t nvlistSize = ALLOC_PP_DATA_SIZE;
6124 	int retryCnt = 0;
6125 	int retryCntMax = MAX_PROVIDER_RETRY;
6126 	stmf_ppioctl_data_t ppi = {0}, *ppi_out = NULL;
6127 	boolean_t retry = B_TRUE;
6128 	stmf_iocdata_t stmfIoctl;
6129 
6130 	if (providerName == NULL) {
6131 		return (STMF_ERROR_INVALID_ARG);
6132 	}
6133 
6134 	/*
6135 	 * Open control node for stmf
6136 	 */
6137 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
6138 		return (ret);
6139 
6140 	/* set provider name and provider type */
6141 	if (strlcpy(ppi.ppi_name, providerName,
6142 	    sizeof (ppi.ppi_name)) >=
6143 	    sizeof (ppi.ppi_name)) {
6144 		ret = STMF_ERROR_INVALID_ARG;
6145 		goto done;
6146 	}
6147 	switch (providerType) {
6148 		case STMF_LU_PROVIDER_TYPE:
6149 			ppi.ppi_lu_provider = 1;
6150 			break;
6151 		case STMF_PORT_PROVIDER_TYPE:
6152 			ppi.ppi_port_provider = 1;
6153 			break;
6154 		default:
6155 			ret = STMF_ERROR_INVALID_ARG;
6156 			goto done;
6157 	}
6158 
6159 	do {
6160 		/* allocate memory for ioctl */
6161 		ppi_out = (stmf_ppioctl_data_t *)calloc(1, nvlistSize +
6162 		    sizeof (stmf_ppioctl_data_t));
6163 		if (ppi_out == NULL) {
6164 			ret = STMF_ERROR_NOMEM;
6165 			goto done;
6166 
6167 		}
6168 
6169 		/* set the size of the ioctl data to allocated buffer */
6170 		ppi.ppi_data_size = nvlistSize;
6171 
6172 		bzero(&stmfIoctl, sizeof (stmfIoctl));
6173 
6174 		stmfIoctl.stmf_version = STMF_VERSION_1;
6175 		stmfIoctl.stmf_ibuf_size = sizeof (stmf_ppioctl_data_t);
6176 		stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ppi;
6177 		stmfIoctl.stmf_obuf_size = sizeof (stmf_ppioctl_data_t) +
6178 		    nvlistSize;
6179 		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)ppi_out;
6180 		ioctlRet = ioctl(fd, STMF_IOCTL_GET_PP_DATA, &stmfIoctl);
6181 		if (ioctlRet != 0) {
6182 			switch (errno) {
6183 				case EBUSY:
6184 					ret = STMF_ERROR_BUSY;
6185 					break;
6186 				case EPERM:
6187 				case EACCES:
6188 					ret = STMF_ERROR_PERM;
6189 					break;
6190 				case EINVAL:
6191 					if (stmfIoctl.stmf_error ==
6192 					    STMF_IOCERR_INSUFFICIENT_BUF) {
6193 						nvlistSize =
6194 						    ppi_out->ppi_data_size;
6195 						free(ppi_out);
6196 						ppi_out = NULL;
6197 						if (retryCnt++ > retryCntMax) {
6198 							retry = B_FALSE;
6199 							ret = STMF_ERROR_BUSY;
6200 						} else {
6201 							ret =
6202 							    STMF_STATUS_SUCCESS;
6203 						}
6204 					} else {
6205 						syslog(LOG_DEBUG,
6206 						    "getProviderData:ioctl"
6207 						    "unable to retrieve "
6208 						    "nvlist");
6209 						ret = STMF_STATUS_ERROR;
6210 					}
6211 					break;
6212 				case ENOENT:
6213 					ret = STMF_ERROR_NOT_FOUND;
6214 					break;
6215 				default:
6216 					syslog(LOG_DEBUG,
6217 					    "getProviderData:ioctl errno(%d)",
6218 					    errno);
6219 					ret = STMF_STATUS_ERROR;
6220 					break;
6221 			}
6222 			if (ret != STMF_STATUS_SUCCESS)
6223 				goto done;
6224 		}
6225 	} while (retry && stmfIoctl.stmf_error == STMF_IOCERR_INSUFFICIENT_BUF);
6226 
6227 	if ((ret = nvlist_unpack((char *)ppi_out->ppi_data,
6228 	    ppi_out->ppi_data_size, nvl, 0)) != 0) {
6229 		ret = STMF_STATUS_ERROR;
6230 		goto done;
6231 	}
6232 
6233 	/* caller has asked for new token */
6234 	if (setToken) {
6235 		*setToken = ppi_out->ppi_token;
6236 	}
6237 done:
6238 	free(ppi_out);
6239 	(void) close(fd);
6240 	return (ret);
6241 }
6242 
6243 /*
6244  * setProviderData
6245  *
6246  * Purpose: set the provider data in stmf
6247  *
6248  * providerName - unique name of provider
6249  * nvl - nvlist to set
6250  * providerType - logical unit or port provider
6251  * setToken - stale data token to check if not NULL
6252  */
6253 static int
6254 setProviderData(int fd, char *providerName, nvlist_t *nvl, int providerType,
6255     uint64_t *setToken)
6256 {
6257 	int ret = STMF_STATUS_SUCCESS;
6258 	int ioctlRet;
6259 	size_t nvlistEncodedSize;
6260 	stmf_ppioctl_data_t *ppi = NULL;
6261 	uint64_t outToken;
6262 	char *allocatedNvBuffer;
6263 	stmf_iocdata_t stmfIoctl;
6264 
6265 	if (providerName == NULL) {
6266 		return (STMF_ERROR_INVALID_ARG);
6267 	}
6268 
6269 	/* get size of encoded nvlist */
6270 	if (nvlist_size(nvl, &nvlistEncodedSize, NV_ENCODE_XDR) != 0) {
6271 		return (STMF_STATUS_ERROR);
6272 	}
6273 
6274 	/* allocate memory for ioctl */
6275 	ppi = (stmf_ppioctl_data_t *)calloc(1, nvlistEncodedSize +
6276 	    sizeof (stmf_ppioctl_data_t));
6277 	if (ppi == NULL) {
6278 		return (STMF_ERROR_NOMEM);
6279 	}
6280 
6281 	if (setToken) {
6282 		ppi->ppi_token_valid = 1;
6283 		ppi->ppi_token = *setToken;
6284 	}
6285 
6286 	allocatedNvBuffer = (char *)&ppi->ppi_data;
6287 	if (nvlist_pack(nvl, &allocatedNvBuffer, &nvlistEncodedSize,
6288 	    NV_ENCODE_XDR, 0) != 0) {
6289 		return (STMF_STATUS_ERROR);
6290 	}
6291 
6292 	/* set provider name and provider type */
6293 	(void) strncpy(ppi->ppi_name, providerName, sizeof (ppi->ppi_name));
6294 	switch (providerType) {
6295 		case STMF_LU_PROVIDER_TYPE:
6296 			ppi->ppi_lu_provider = 1;
6297 			break;
6298 		case STMF_PORT_PROVIDER_TYPE:
6299 			ppi->ppi_port_provider = 1;
6300 			break;
6301 		default:
6302 			return (STMF_ERROR_INVALID_ARG);
6303 	}
6304 
6305 	/* set the size of the ioctl data to packed data size */
6306 	ppi->ppi_data_size = nvlistEncodedSize;
6307 
6308 	bzero(&stmfIoctl, sizeof (stmfIoctl));
6309 
6310 	stmfIoctl.stmf_version = STMF_VERSION_1;
6311 	/*
6312 	 * Subtracting 8 from the size as that is the size of the last member
6313 	 * of the structure where the packed data resides
6314 	 */
6315 	stmfIoctl.stmf_ibuf_size = nvlistEncodedSize +
6316 	    sizeof (stmf_ppioctl_data_t) - 8;
6317 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)ppi;
6318 	stmfIoctl.stmf_obuf_size = sizeof (uint64_t);
6319 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&outToken;
6320 	ioctlRet = ioctl(fd, STMF_IOCTL_LOAD_PP_DATA, &stmfIoctl);
6321 	if (ioctlRet != 0) {
6322 		switch (errno) {
6323 			case EBUSY:
6324 				ret = STMF_ERROR_BUSY;
6325 				break;
6326 			case EPERM:
6327 			case EACCES:
6328 				ret = STMF_ERROR_PERM;
6329 				break;
6330 			case EINVAL:
6331 				if (stmfIoctl.stmf_error ==
6332 				    STMF_IOCERR_PPD_UPDATED) {
6333 					ret = STMF_ERROR_PROV_DATA_STALE;
6334 				} else {
6335 					ret = STMF_STATUS_ERROR;
6336 				}
6337 				break;
6338 			default:
6339 				syslog(LOG_DEBUG,
6340 				    "setProviderData:ioctl errno(%d)", errno);
6341 				ret = STMF_STATUS_ERROR;
6342 				break;
6343 		}
6344 		if (ret != STMF_STATUS_SUCCESS)
6345 			goto done;
6346 	}
6347 
6348 	/* caller has asked for new token */
6349 	if (setToken) {
6350 		*setToken = outToken;
6351 	}
6352 done:
6353 	free(ppi);
6354 	return (ret);
6355 }
6356 
6357 /*
6358  * set the persistence method in the library only or library and service
6359  */
6360 int
6361 stmfSetPersistMethod(uint8_t persistType, boolean_t serviceSet)
6362 {
6363 	int ret = STMF_STATUS_SUCCESS;
6364 	int oldPersist;
6365 
6366 	(void) pthread_mutex_lock(&persistenceTypeLock);
6367 	oldPersist = iPersistType;
6368 	if (persistType == STMF_PERSIST_NONE ||
6369 	    persistType == STMF_PERSIST_SMF) {
6370 		iLibSetPersist = B_TRUE;
6371 		iPersistType = persistType;
6372 	} else {
6373 		(void) pthread_mutex_unlock(&persistenceTypeLock);
6374 		return (STMF_ERROR_INVALID_ARG);
6375 	}
6376 	/* Is this for this library open or in SMF */
6377 	if (serviceSet == B_TRUE) {
6378 		ret = psSetServicePersist(persistType);
6379 		if (ret != STMF_PS_SUCCESS) {
6380 			ret = STMF_ERROR_PERSIST_TYPE;
6381 			/* Set to old value */
6382 			iPersistType = oldPersist;
6383 		}
6384 	}
6385 	(void) pthread_mutex_unlock(&persistenceTypeLock);
6386 
6387 	return (ret);
6388 }
6389 
6390 /*
6391  * Only returns internal state for persist. If unset, goes to ps. If that
6392  * fails, returns default setting
6393  */
6394 static uint8_t
6395 iGetPersistMethod()
6396 {
6397 
6398 	uint8_t persistType = 0;
6399 
6400 	(void) pthread_mutex_lock(&persistenceTypeLock);
6401 	if (iLibSetPersist) {
6402 		persistType = iPersistType;
6403 	} else {
6404 		int ret;
6405 		ret = psGetServicePersist(&persistType);
6406 		if (ret != STMF_PS_SUCCESS) {
6407 			/* set to default */
6408 			persistType = STMF_DEFAULT_PERSIST;
6409 		}
6410 	}
6411 	(void) pthread_mutex_unlock(&persistenceTypeLock);
6412 	return (persistType);
6413 }
6414 
6415 /*
6416  * Returns either library state or persistent config state depending on
6417  * serviceState
6418  */
6419 int
6420 stmfGetPersistMethod(uint8_t *persistType, boolean_t serviceState)
6421 {
6422 	int ret = STMF_STATUS_SUCCESS;
6423 
6424 	if (persistType == NULL) {
6425 		return (STMF_ERROR_INVALID_ARG);
6426 	}
6427 	if (serviceState) {
6428 		ret = psGetServicePersist(persistType);
6429 		if (ret != STMF_PS_SUCCESS) {
6430 			ret = STMF_ERROR_PERSIST_TYPE;
6431 		}
6432 	} else {
6433 		(void) pthread_mutex_lock(&persistenceTypeLock);
6434 		if (iLibSetPersist) {
6435 			*persistType = iPersistType;
6436 		} else {
6437 			*persistType = STMF_DEFAULT_PERSIST;
6438 		}
6439 		(void) pthread_mutex_unlock(&persistenceTypeLock);
6440 	}
6441 
6442 	return (ret);
6443 }
6444 
6445 /*
6446  * stmfPostProxyMsg
6447  *
6448  * Purpose: Post a message to the proxy port provider
6449  *
6450  * buf - buffer containing message to post
6451  * buflen - buffer length
6452  */
6453 int
6454 stmfPostProxyMsg(int hdl, void *buf, uint32_t buflen)
6455 {
6456 	int ret = STMF_STATUS_SUCCESS;
6457 	int ioctlRet;
6458 	pppt_iocdata_t ppptIoctl = {0};
6459 
6460 	if (buf == NULL) {
6461 		return (STMF_ERROR_INVALID_ARG);
6462 	}
6463 
6464 	/*
6465 	 * Issue ioctl to post the message
6466 	 */
6467 	ppptIoctl.pppt_version = PPPT_VERSION_1;
6468 	ppptIoctl.pppt_buf_size = buflen;
6469 	ppptIoctl.pppt_buf = (uint64_t)(unsigned long)buf;
6470 	ioctlRet = ioctl(hdl, PPPT_MESSAGE, &ppptIoctl);
6471 	if (ioctlRet != 0) {
6472 		switch (errno) {
6473 			case EPERM:
6474 			case EACCES:
6475 				ret = STMF_ERROR_PERM;
6476 				break;
6477 			default:
6478 				ret = STMF_ERROR_POST_MSG_FAILED;
6479 				break;
6480 		}
6481 	}
6482 
6483 	return (ret);
6484 }
6485 
6486 /*
6487  * stmfInitProxyDoor
6488  *
6489  * Purpose: Install door in proxy
6490  *
6491  * hdl - pointer to returned handle
6492  * fd - door from door_create()
6493  */
6494 int
6495 stmfInitProxyDoor(int *hdl, int door)
6496 {
6497 	int ret = STMF_STATUS_SUCCESS;
6498 	int ioctlRet;
6499 	int fd;
6500 	pppt_iocdata_t ppptIoctl = {0};
6501 
6502 	if (hdl == NULL) {
6503 		return (STMF_ERROR_INVALID_ARG);
6504 	}
6505 
6506 	/*
6507 	 * Open control node for pppt
6508 	 */
6509 	if ((ret = openPppt(OPEN_PPPT, &fd)) != STMF_STATUS_SUCCESS) {
6510 		return (ret);
6511 	}
6512 
6513 	/*
6514 	 * Issue ioctl to install the door
6515 	 */
6516 	ppptIoctl.pppt_version = PPPT_VERSION_1;
6517 	ppptIoctl.pppt_door_fd = (uint32_t)door;
6518 	ioctlRet = ioctl(fd, PPPT_INSTALL_DOOR, &ppptIoctl);
6519 	if (ioctlRet != 0) {
6520 		switch (errno) {
6521 			case EPERM:
6522 			case EACCES:
6523 				ret = STMF_ERROR_PERM;
6524 				break;
6525 			case EINVAL:
6526 				ret = STMF_ERROR_INVALID_ARG;
6527 				break;
6528 			case EBUSY:
6529 				ret = STMF_ERROR_DOOR_INSTALLED;
6530 				break;
6531 			default:
6532 				ret = STMF_STATUS_ERROR;
6533 				break;
6534 		}
6535 	}
6536 
6537 	/* return driver fd to caller */
6538 	*hdl = fd;
6539 	return (ret);
6540 }
6541 
6542 void
6543 stmfDestroyProxyDoor(int hdl)
6544 {
6545 	(void) close(hdl);
6546 }
6547 
6548 /*
6549  * validateLunNumIoctl
6550  *
6551  * Purpose: Issues ioctl to check and get available lun# in view entry
6552  *
6553  * viewEntry - view entry to use
6554  */
6555 static int
6556 validateLunNumIoctl(int fd, stmfViewEntry *viewEntry)
6557 {
6558 	int ret = STMF_STATUS_SUCCESS;
6559 	int ioctlRet;
6560 	stmf_iocdata_t stmfIoctl;
6561 	stmf_view_op_entry_t ioctlViewEntry;
6562 
6563 	bzero(&ioctlViewEntry, sizeof (ioctlViewEntry));
6564 	/*
6565 	 * don't set ve_ndx or ve_ndx_valid as ve_ndx_valid should be
6566 	 * false on input
6567 	 */
6568 	ioctlViewEntry.ve_lu_number_valid = viewEntry->luNbrValid;
6569 	ioctlViewEntry.ve_all_hosts = viewEntry->allHosts;
6570 	ioctlViewEntry.ve_all_targets = viewEntry->allTargets;
6571 
6572 	if (viewEntry->allHosts == B_FALSE) {
6573 		bcopy(viewEntry->hostGroup, &ioctlViewEntry.ve_host_group.name,
6574 		    sizeof (stmfGroupName));
6575 		ioctlViewEntry.ve_host_group.name_size =
6576 		    strlen((char *)viewEntry->hostGroup);
6577 	}
6578 	if (viewEntry->allTargets == B_FALSE) {
6579 		bcopy(viewEntry->targetGroup,
6580 		    &ioctlViewEntry.ve_target_group.name,
6581 		    sizeof (stmfGroupName));
6582 		ioctlViewEntry.ve_target_group.name_size =
6583 		    strlen((char *)viewEntry->targetGroup);
6584 	}
6585 	/* Validating the lun number */
6586 	if (viewEntry->luNbrValid) {
6587 		bcopy(viewEntry->luNbr, &ioctlViewEntry.ve_lu_nbr,
6588 		    sizeof (ioctlViewEntry.ve_lu_nbr));
6589 	}
6590 
6591 	bzero(&stmfIoctl, sizeof (stmfIoctl));
6592 	/*
6593 	 * Issue ioctl to validate lun# in the view entry
6594 	 */
6595 	stmfIoctl.stmf_version = STMF_VERSION_1;
6596 	stmfIoctl.stmf_ibuf_size = sizeof (ioctlViewEntry);
6597 	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ioctlViewEntry;
6598 	stmfIoctl.stmf_obuf_size = sizeof (ioctlViewEntry);
6599 	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&ioctlViewEntry;
6600 	ioctlRet = ioctl(fd, STMF_IOCTL_VALIDATE_VIEW, &stmfIoctl);
6601 
6602 	/* save available lun number */
6603 	if (!viewEntry->luNbrValid) {
6604 		bcopy(ioctlViewEntry.ve_lu_nbr, viewEntry->luNbr,
6605 		    sizeof (ioctlViewEntry.ve_lu_nbr));
6606 	}
6607 	if (ioctlRet != 0) {
6608 		switch (errno) {
6609 			case EBUSY:
6610 				ret = STMF_ERROR_BUSY;
6611 				break;
6612 			case EPERM:
6613 				ret = STMF_ERROR_PERM;
6614 				break;
6615 			case EACCES:
6616 				switch (stmfIoctl.stmf_error) {
6617 					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
6618 						ret = STMF_ERROR_CONFIG_NONE;
6619 						break;
6620 					default:
6621 						ret = STMF_ERROR_PERM;
6622 						break;
6623 				}
6624 				break;
6625 			default:
6626 				switch (stmfIoctl.stmf_error) {
6627 					case STMF_IOCERR_LU_NUMBER_IN_USE:
6628 						ret = STMF_ERROR_LUN_IN_USE;
6629 						break;
6630 					case STMF_IOCERR_VIEW_ENTRY_CONFLICT:
6631 						ret = STMF_ERROR_VE_CONFLICT;
6632 						break;
6633 					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
6634 						ret = STMF_ERROR_CONFIG_NONE;
6635 						break;
6636 					case STMF_IOCERR_INVALID_HG:
6637 						ret = STMF_ERROR_INVALID_HG;
6638 						break;
6639 					case STMF_IOCERR_INVALID_TG:
6640 						ret = STMF_ERROR_INVALID_TG;
6641 						break;
6642 					default:
6643 						syslog(LOG_DEBUG,
6644 						    "addViewEntryIoctl"
6645 						    ":error(%d)",
6646 						    stmfIoctl.stmf_error);
6647 						ret = STMF_STATUS_ERROR;
6648 						break;
6649 				}
6650 				break;
6651 		}
6652 	}
6653 	return (ret);
6654 }
6655 
6656 /*
6657  * stmfValidateView
6658  *
6659  * Purpose: Validate or get lun # base on TG, HG of view entry
6660  *
6661  * viewEntry - view entry structure to use
6662  */
6663 int
6664 stmfValidateView(stmfViewEntry *viewEntry)
6665 {
6666 	int ret;
6667 	int fd;
6668 	stmfViewEntry iViewEntry;
6669 
6670 	if (viewEntry == NULL) {
6671 		return (STMF_ERROR_INVALID_ARG);
6672 	}
6673 
6674 	/* initialize and set internal view entry */
6675 	bzero(&iViewEntry, sizeof (iViewEntry));
6676 
6677 	if (!viewEntry->allHosts) {
6678 		bcopy(viewEntry->hostGroup, iViewEntry.hostGroup,
6679 		    sizeof (iViewEntry.hostGroup));
6680 	} else {
6681 		iViewEntry.allHosts = B_TRUE;
6682 	}
6683 
6684 	if (!viewEntry->allTargets) {
6685 		bcopy(viewEntry->targetGroup, iViewEntry.targetGroup,
6686 		    sizeof (iViewEntry.targetGroup));
6687 	} else {
6688 		iViewEntry.allTargets = B_TRUE;
6689 	}
6690 
6691 	if (viewEntry->luNbrValid) {
6692 		iViewEntry.luNbrValid = B_TRUE;
6693 		bcopy(viewEntry->luNbr, iViewEntry.luNbr,
6694 		    sizeof (iViewEntry.luNbr));
6695 	}
6696 
6697 	/*
6698 	 * set users return view entry index valid flag to false
6699 	 * in case of failure
6700 	 */
6701 	viewEntry->veIndexValid = B_FALSE;
6702 
6703 	/* Check to ensure service exists */
6704 	if (psCheckService() != STMF_STATUS_SUCCESS) {
6705 		return (STMF_ERROR_SERVICE_NOT_FOUND);
6706 	}
6707 
6708 	/* call init */
6709 	ret = initializeConfig();
6710 	if (ret != STMF_STATUS_SUCCESS) {
6711 		return (ret);
6712 	}
6713 
6714 	/*
6715 	 * Open control node for stmf
6716 	 */
6717 	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
6718 		return (ret);
6719 
6720 	/*
6721 	 * Validate lun# in the view entry from the driver
6722 	 */
6723 	ret = validateLunNumIoctl(fd, &iViewEntry);
6724 	(void) close(fd);
6725 
6726 	/* save available lun number */
6727 	if (!viewEntry->luNbrValid) {
6728 		bcopy(iViewEntry.luNbr, viewEntry->luNbr,
6729 		    sizeof (iViewEntry.luNbr));
6730 	}
6731 
6732 	return (ret);
6733 }
6734