Initial illumos sourcesillumos

1 files changed, 6949 insertions, 0 deletions

diff --git a/usr/src/lib/libstmf/common/stmf.c b/usr/src/lib/libstmf/common/stmf.c
new file mode 100644
index 0000000..e12c189
--- /dev/null
+++ b/usr/src/lib/libstmf/common/stmf.c
@@ -0,0 +1,6949 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012 Milan Jurik. All rights reserved.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <wchar.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <libintl.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+#include <libnvpair.h>
+#include <pthread.h>
+#include <syslog.h>
+#include <libstmf.h>
+#include <netinet/in.h>
+#include <inttypes.h>
+#include <store.h>
+#include <locale.h>
+#include <math.h>
+#include <libstmf_impl.h>
+#include <sys/stmf_ioctl.h>
+#include <sys/stmf_sbd_ioctl.h>
+#include <sys/pppt_ioctl.h>
+#include <macros.h>
+
+#define	STMF_PATH    "/devices/pseudo/stmf@0:admin"
+#define	SBD_PATH    "/devices/pseudo/stmf_sbd@0:admin"
+#define	PPPT_PATH    "/devices/pseudo/pppt@0:pppt"
+
+#define	EUI "eui."
+#define	WWN "wwn."
+#define	IQN "iqn."
+#define	LU_ASCII_GUID_SIZE 32
+#define	LU_GUID_SIZE 16
+#define	OUI_ASCII_SIZE 6
+#define	HOST_ID_ASCII_SIZE 8
+#define	OUI_SIZE 3
+#define	HOST_ID_SIZE 4
+#define	IDENT_LENGTH_BYTE 3
+
+/* various initial allocation values */
+#define	ALLOC_LU		8192
+#define	ALLOC_TARGET_PORT	2048
+#define	ALLOC_PROVIDER		64
+#define	ALLOC_GROUP		2048
+#define	ALLOC_SESSION		2048
+#define	ALLOC_VE		256
+#define	ALLOC_PP_DATA_SIZE	128*1024
+#define	ALLOC_GRP_MEMBER	256
+
+#define	MAX_ISCSI_NAME	223
+#define	MAX_SERIAL_SIZE 252 + 1
+#define	MAX_LU_ALIAS_SIZE 256
+#define	MAX_SBD_PROPS	MAXPATHLEN + MAX_SERIAL_SIZE + MAX_LU_ALIAS_SIZE
+
+#define	OPEN_STMF 0
+#define	OPEN_EXCL_STMF O_EXCL
+
+#define	OPEN_SBD 0
+#define	OPEN_EXCL_SBD O_EXCL
+
+#define	OPEN_PPPT 0
+#define	OPEN_EXCL_PPPT O_EXCL
+
+#define	LOGICAL_UNIT_TYPE 0
+#define	TARGET_TYPE 1
+#define	STMF_SERVICE_TYPE 2
+
+#define	HOST_GROUP   1
+#define	TARGET_GROUP 2
+
+/* set default persistence here */
+#define	STMF_DEFAULT_PERSIST	STMF_PERSIST_SMF
+
+#define	MAX_PROVIDER_RETRY 30
+
+static int openStmf(int, int *fd);
+static int openSbd(int, int *fd);
+static int openPppt(int, int *fd);
+static int groupIoctl(int fd, int cmd, stmfGroupName *);
+static int loadStore(int fd);
+static int initializeConfig();
+static int groupMemberIoctl(int fd, int cmd, stmfGroupName *, stmfDevid *);
+static int guidCompare(const void *, const void *);
+static int addViewEntryIoctl(int fd, stmfGuid *, stmfViewEntry *);
+static int loadHostGroups(int fd, stmfGroupList *);
+static int loadTargetGroups(int fd, stmfGroupList *);
+static int getStmfState(stmf_state_desc_t *);
+static int setStmfState(int fd, stmf_state_desc_t *, int);
+static int setProviderData(int fd, char *, nvlist_t *, int, uint64_t *);
+static int createDiskResource(luResourceImpl *);
+static int createDiskLu(diskResource *, stmfGuid *);
+static int deleteDiskLu(stmfGuid *luGuid);
+static int getDiskProp(luResourceImpl *, uint32_t, char *, size_t *);
+static int getDiskAllProps(stmfGuid *luGuid, luResource *hdl);
+static int loadDiskPropsFromDriver(luResourceImpl *, sbd_lu_props_t *);
+static int removeGuidFromDiskStore(stmfGuid *);
+static int addGuidToDiskStore(stmfGuid *, char *);
+static int persistDiskGuid(stmfGuid *, char *, boolean_t);
+static int setDiskProp(luResourceImpl *, uint32_t, const char *);
+static int getDiskGlobalProp(uint32_t prop, char *propVal, size_t *propLen);
+static int checkHexUpper(char *);
+static int strToShift(const char *);
+static int niceStrToNum(const char *, uint64_t *);
+static void diskError(uint32_t, int *);
+static int importDiskLu(char *fname, stmfGuid *);
+static int modifyDiskLu(diskResource *, stmfGuid *, const char *);
+static int modifyDiskLuProp(stmfGuid *, const char *, uint32_t, const char *);
+static int validateModifyDiskProp(uint32_t);
+static uint8_t iGetPersistMethod();
+static int groupListIoctl(stmfGroupList **, int);
+static int iLoadGroupFromPs(stmfGroupList **, int);
+static int groupMemberListIoctl(stmfGroupName *, stmfGroupProperties **, int);
+static int getProviderData(char *, nvlist_t **, int, uint64_t *);
+static int setDiskStandby(stmfGuid *luGuid);
+static int setDiskGlobalProp(uint32_t, const char *);
+static int viewEntryCompare(const void *, const void *);
+static void deleteNonActiveLus();
+static int loadStmfProp(int fd);
+
+static pthread_mutex_t persistenceTypeLock = PTHREAD_MUTEX_INITIALIZER;
+static int iPersistType = 0;
+/* when B_TRUE, no need to access SMF anymore. Just use iPersistType */
+static boolean_t iLibSetPersist = B_FALSE;
+
+/*
+ * Open for stmf module
+ *
+ * flag - open flag (OPEN_STMF, OPEN_EXCL_STMF)
+ * fd - pointer to integer. On success, contains the stmf file descriptor
+ */
+static int
+openStmf(int flag, int *fd)
+{
+	int ret = STMF_STATUS_ERROR;
+
+	if ((*fd = open(STMF_PATH, O_NDELAY | O_RDONLY | flag)) != -1) {
+		ret = STMF_STATUS_SUCCESS;
+	} else {
+		if (errno == EBUSY) {
+			ret = STMF_ERROR_BUSY;
+		} else if (errno == EACCES) {
+			ret = STMF_ERROR_PERM;
+		} else {
+			ret = STMF_STATUS_ERROR;
+		}
+		syslog(LOG_DEBUG, "openStmf:open failure:%s:errno(%d)",
+		    STMF_PATH, errno);
+	}
+
+	return (ret);
+}
+
+/*
+ * Open for sbd module
+ *
+ * flag - open flag (OPEN_SBD, OPEN_EXCL_SBD)
+ * fd - pointer to integer. On success, contains the stmf file descriptor
+ */
+static int
+openSbd(int flag, int *fd)
+{
+	int ret = STMF_STATUS_ERROR;
+
+	if ((*fd = open(SBD_PATH, O_NDELAY | O_RDONLY | flag)) != -1) {
+		ret = STMF_STATUS_SUCCESS;
+	} else {
+		if (errno == EBUSY) {
+			ret = STMF_ERROR_BUSY;
+		} else if (errno == EACCES) {
+			ret = STMF_ERROR_PERM;
+		} else {
+			ret = STMF_STATUS_ERROR;
+		}
+		syslog(LOG_DEBUG, "openSbd:open failure:%s:errno(%d)",
+		    SBD_PATH, errno);
+	}
+
+	return (ret);
+}
+
+/*
+ * Open for pppt module
+ *
+ * flag - open flag (OPEN_PPPT, OPEN_EXCL_PPPT)
+ * fd - pointer to integer. On success, contains the stmf file descriptor
+ */
+static int
+openPppt(int flag, int *fd)
+{
+	int ret = STMF_STATUS_ERROR;
+
+	if ((*fd = open(PPPT_PATH, O_RDONLY | flag)) != -1) {
+		ret = STMF_STATUS_SUCCESS;
+	} else {
+		if (errno == EBUSY) {
+			ret = STMF_ERROR_BUSY;
+		} else if (errno == EACCES) {
+			ret = STMF_ERROR_PERM;
+		} else {
+			ret = STMF_STATUS_ERROR;
+		}
+		syslog(LOG_DEBUG, "openPppt:open failure:%s:errno(%d)",
+		    PPPT_PATH, errno);
+	}
+
+	return (ret);
+}
+
+/*
+ * initializeConfig
+ *
+ * This routine should be called before any ioctl requiring initialization
+ * which is basically everything except stmfGetState(), setStmfState() and
+ * stmfLoadConfig().
+ */
+static int
+initializeConfig()
+{
+	int ret;
+	stmfState state;
+
+
+	ret = stmfGetState(&state);
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/* if we've already initialized or in the process, return success */
+	if (state.configState == STMF_CONFIG_STATE_INIT_DONE ||
+	    state.configState == STMF_CONFIG_STATE_INIT) {
+		return (STMF_STATUS_SUCCESS);
+	}
+
+	ret = stmfLoadConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		syslog(LOG_DEBUG,
+		    "initializeConfig:stmfLoadConfig:error(%d)", ret);
+		return (ret);
+	}
+
+	ret = stmfGetState(&state);
+	if (ret != STMF_STATUS_SUCCESS) {
+		syslog(LOG_DEBUG,
+		    "initializeConfig:stmfGetState:error(%d)", ret);
+		return (ret);
+	}
+
+	if (state.configState != STMF_CONFIG_STATE_INIT_DONE) {
+		syslog(LOG_DEBUG, "initializeConfig:state.configState(%d)",
+		    state.configState);
+		ret = STMF_STATUS_ERROR;
+	}
+
+	return (ret);
+}
+
+
+/*
+ * groupIoctl
+ *
+ * Purpose: issue ioctl for create/delete on group
+ *
+ * cmd - valid STMF ioctl group cmd
+ * groupName - groupName to create or delete
+ */
+static int
+groupIoctl(int fd, int cmd, stmfGroupName *groupName)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl;
+	stmf_group_name_t iGroupName;
+
+	bzero(&iGroupName, sizeof (iGroupName));
+
+	bcopy(groupName, &iGroupName.name, strlen((char *)groupName));
+
+	iGroupName.name_size = strlen((char *)groupName);
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to create the host group
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (iGroupName);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&iGroupName;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_TG_EXISTS:
+					case STMF_IOCERR_HG_EXISTS:
+						ret = STMF_ERROR_EXISTS;
+						break;
+					case STMF_IOCERR_TG_IN_USE:
+					case STMF_IOCERR_HG_IN_USE:
+						ret = STMF_ERROR_GROUP_IN_USE;
+						break;
+					case STMF_IOCERR_INVALID_HG:
+					case STMF_IOCERR_INVALID_TG:
+						ret = STMF_ERROR_NOT_FOUND;
+						break;
+					default:
+						syslog(LOG_DEBUG,
+						    "groupIoctl:error(%d)",
+						    stmfIoctl.stmf_error);
+						ret = STMF_STATUS_ERROR;
+						break;
+				}
+				break;
+		}
+	}
+done:
+	return (ret);
+}
+
+/*
+ * groupMemberIoctl
+ *
+ * Purpose: issue ioctl for add/remove member on group
+ *
+ * cmd - valid STMF ioctl group member cmd
+ * groupName - groupName to add to or remove from
+ * devid - group member to add or remove
+ */
+static int
+groupMemberIoctl(int fd, int cmd, stmfGroupName *groupName, stmfDevid *devid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl;
+	stmf_group_op_data_t stmfGroupData;
+
+	bzero(&stmfGroupData, sizeof (stmfGroupData));
+
+	bcopy(groupName, &stmfGroupData.group.name, strlen((char *)groupName));
+
+	stmfGroupData.group.name_size = strlen((char *)groupName);
+	stmfGroupData.ident[IDENT_LENGTH_BYTE] = devid->identLength;
+	bcopy(&(devid->ident), &stmfGroupData.ident[IDENT_LENGTH_BYTE + 1],
+	    devid->identLength);
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to add to the host group
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmfGroupData);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&stmfGroupData;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_TG_NEED_TG_OFFLINE:
+						ret = STMF_ERROR_TG_ONLINE;
+						break;
+					default:
+						ret = STMF_ERROR_BUSY;
+						break;
+				}
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_TG_ENTRY_EXISTS:
+					case STMF_IOCERR_HG_ENTRY_EXISTS:
+						ret = STMF_ERROR_EXISTS;
+						break;
+					case STMF_IOCERR_INVALID_TG_ENTRY:
+					case STMF_IOCERR_INVALID_HG_ENTRY:
+						ret =
+						    STMF_ERROR_MEMBER_NOT_FOUND;
+						break;
+					case STMF_IOCERR_INVALID_TG:
+					case STMF_IOCERR_INVALID_HG:
+						ret =
+						    STMF_ERROR_GROUP_NOT_FOUND;
+						break;
+					default:
+						syslog(LOG_DEBUG,
+						    "groupMemberIoctl:error"
+						    "(%d)",
+						    stmfIoctl.stmf_error);
+						ret = STMF_STATUS_ERROR;
+						break;
+				}
+				break;
+		}
+	}
+done:
+	return (ret);
+}
+
+/*
+ * qsort function
+ * sort on veIndex
+ */
+static int
+viewEntryCompare(const void *p1, const void *p2)
+{
+
+	stmfViewEntry *v1 = (stmfViewEntry *)p1, *v2 = (stmfViewEntry *)p2;
+	if (v1->veIndex > v2->veIndex)
+		return (1);
+	if (v1->veIndex < v2->veIndex)
+		return (-1);
+	return (0);
+}
+
+/*
+ * guidCompare
+ *
+ * qsort function
+ * sort on guid
+ */
+static int
+guidCompare(const void *p1, const void *p2)
+{
+
+	stmfGuid *g1 = (stmfGuid *)p1, *g2 = (stmfGuid *)p2;
+	int i;
+
+	for (i = 0; i < sizeof (stmfGuid); i++) {
+		if (g1->guid[i] > g2->guid[i])
+			return (1);
+		if (g1->guid[i] < g2->guid[i])
+			return (-1);
+	}
+
+	return (0);
+}
+
+/*
+ * stmfAddToHostGroup
+ *
+ * Purpose: Adds an initiator to an existing host group
+ *
+ * hostGroupName - name of an existing host group
+ * hostName - name of initiator to add
+ */
+int
+stmfAddToHostGroup(stmfGroupName *hostGroupName, stmfDevid *hostName)
+{
+	int ret;
+	int fd;
+
+	if (hostGroupName == NULL ||
+	    (strnlen((char *)hostGroupName, sizeof (stmfGroupName))
+	    == sizeof (stmfGroupName)) || hostName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_HG_ENTRY, hostGroupName,
+	    hostName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	ret = psAddHostGroupMember((char *)hostGroupName,
+	    (char *)hostName->ident);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_EXISTS:
+			ret = STMF_ERROR_EXISTS;
+			break;
+		case STMF_PS_ERROR_GROUP_NOT_FOUND:
+			ret = STMF_ERROR_GROUP_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfAddToHostGroup:psAddHostGroupMember:error(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfAddToTargetGroup
+ *
+ * Purpose: Adds a local port to an existing target group
+ *
+ * targetGroupName - name of an existing target group
+ * targetName - name of target to add
+ */
+int
+stmfAddToTargetGroup(stmfGroupName *targetGroupName, stmfDevid *targetName)
+{
+	int ret;
+	int fd;
+
+	if (targetGroupName == NULL ||
+	    (strnlen((char *)targetGroupName, sizeof (stmfGroupName))
+	    == sizeof (stmfGroupName)) || targetName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_TG_ENTRY,
+	    targetGroupName, targetName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	ret = psAddTargetGroupMember((char *)targetGroupName,
+	    (char *)targetName->ident);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_EXISTS:
+			ret = STMF_ERROR_EXISTS;
+			break;
+		case STMF_PS_ERROR_GROUP_NOT_FOUND:
+			ret = STMF_ERROR_GROUP_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfAddToTargetGroup:psAddTargetGroupMember:"
+			    "error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * addViewEntryIoctl
+ *
+ * Purpose: Issues ioctl to add a view entry
+ *
+ * lu - Logical Unit identifier to which the view entry is added
+ * viewEntry - view entry to add
+ * init - When set to B_TRUE, we are in the init state, i.e. don't call open
+ */
+static int
+addViewEntryIoctl(int fd, stmfGuid *lu, stmfViewEntry *viewEntry)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl;
+	stmf_view_op_entry_t ioctlViewEntry;
+
+	bzero(&ioctlViewEntry, sizeof (ioctlViewEntry));
+	/*
+	 * don't set ve_ndx or ve_ndx_valid as ve_ndx_valid should be
+	 * false on input
+	 */
+	ioctlViewEntry.ve_lu_number_valid = viewEntry->luNbrValid;
+	ioctlViewEntry.ve_all_hosts = viewEntry->allHosts;
+	ioctlViewEntry.ve_all_targets = viewEntry->allTargets;
+
+	if (viewEntry->allHosts == B_FALSE) {
+		bcopy(viewEntry->hostGroup, &ioctlViewEntry.ve_host_group.name,
+		    sizeof (stmfGroupName));
+		ioctlViewEntry.ve_host_group.name_size =
+		    strlen((char *)viewEntry->hostGroup);
+	}
+	if (viewEntry->allTargets == B_FALSE) {
+		bcopy(viewEntry->targetGroup,
+		    &ioctlViewEntry.ve_target_group.name,
+		    sizeof (stmfGroupName));
+		ioctlViewEntry.ve_target_group.name_size =
+		    strlen((char *)viewEntry->targetGroup);
+	}
+	if (viewEntry->luNbrValid) {
+		bcopy(viewEntry->luNbr, &ioctlViewEntry.ve_lu_nbr,
+		    sizeof (ioctlViewEntry.ve_lu_nbr));
+	}
+	bcopy(lu, &ioctlViewEntry.ve_guid, sizeof (stmfGuid));
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to add to the view entry
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (ioctlViewEntry);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ioctlViewEntry;
+	stmfIoctl.stmf_obuf_size = sizeof (ioctlViewEntry);
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&ioctlViewEntry;
+	ioctlRet = ioctl(fd, STMF_IOCTL_ADD_VIEW_ENTRY, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+				ret = STMF_ERROR_PERM;
+				break;
+			case EACCES:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
+						ret = STMF_ERROR_CONFIG_NONE;
+						break;
+					default:
+						ret = STMF_ERROR_PERM;
+						break;
+				}
+				break;
+			default:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_LU_NUMBER_IN_USE:
+						ret = STMF_ERROR_LUN_IN_USE;
+						break;
+					case STMF_IOCERR_VIEW_ENTRY_CONFLICT:
+						ret = STMF_ERROR_VE_CONFLICT;
+						break;
+					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
+						ret = STMF_ERROR_CONFIG_NONE;
+						break;
+					case STMF_IOCERR_INVALID_HG:
+						ret = STMF_ERROR_INVALID_HG;
+						break;
+					case STMF_IOCERR_INVALID_TG:
+						ret = STMF_ERROR_INVALID_TG;
+						break;
+					default:
+						syslog(LOG_DEBUG,
+						    "addViewEntryIoctl"
+						    ":error(%d)",
+						    stmfIoctl.stmf_error);
+						ret = STMF_STATUS_ERROR;
+						break;
+				}
+				break;
+		}
+		goto done;
+	}
+
+	/* copy lu nbr back to caller's view entry on success */
+	viewEntry->veIndex = ioctlViewEntry.ve_ndx;
+	if (ioctlViewEntry.ve_lu_number_valid) {
+		bcopy(&ioctlViewEntry.ve_lu_nbr, viewEntry->luNbr,
+		    sizeof (ioctlViewEntry.ve_lu_nbr));
+	}
+	viewEntry->luNbrValid = B_TRUE;
+
+done:
+	return (ret);
+}
+
+/*
+ * stmfAddViewEntry
+ *
+ * Purpose: Adds a view entry to a logical unit
+ *
+ * lu - guid of the logical unit to which the view entry is added
+ * viewEntry - view entry structure to add
+ */
+int
+stmfAddViewEntry(stmfGuid *lu, stmfViewEntry *viewEntry)
+{
+	int ret;
+	int fd;
+	stmfViewEntry iViewEntry;
+
+	if (lu == NULL || viewEntry == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* initialize and set internal view entry */
+	bzero(&iViewEntry, sizeof (iViewEntry));
+
+	if (!viewEntry->allHosts) {
+		bcopy(viewEntry->hostGroup, iViewEntry.hostGroup,
+		    sizeof (iViewEntry.hostGroup));
+	} else {
+		iViewEntry.allHosts = B_TRUE;
+	}
+
+	if (!viewEntry->allTargets) {
+		bcopy(viewEntry->targetGroup, iViewEntry.targetGroup,
+		    sizeof (iViewEntry.targetGroup));
+	} else {
+		iViewEntry.allTargets = B_TRUE;
+	}
+
+	if (viewEntry->luNbrValid) {
+		iViewEntry.luNbrValid = B_TRUE;
+		bcopy(viewEntry->luNbr, iViewEntry.luNbr,
+		    sizeof (iViewEntry.luNbr));
+	}
+
+	/*
+	 * set users return view entry index valid flag to false
+	 * in case of failure
+	 */
+	viewEntry->veIndexValid = B_FALSE;
+
+	/* Check to ensure service exists */
+	if (psCheckService() != STMF_STATUS_SUCCESS) {
+		return (STMF_ERROR_SERVICE_NOT_FOUND);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * First add the view entry to the driver
+	 */
+	ret = addViewEntryIoctl(fd, lu, &iViewEntry);
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	/*
+	 * If the add to driver was successful, add it to the persistent
+	 * store.
+	 */
+	ret = psAddViewEntry(lu, &iViewEntry);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfAddViewEntry:psAddViewEntry:error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+
+	if (ret == STMF_STATUS_SUCCESS) {
+		/* set caller's view entry on success */
+		viewEntry->veIndexValid = iViewEntry.veIndexValid;
+		viewEntry->veIndex = iViewEntry.veIndex;
+		viewEntry->luNbrValid = B_TRUE;
+		bcopy(iViewEntry.luNbr, viewEntry->luNbr,
+		    sizeof (iViewEntry.luNbr));
+	}
+	return (ret);
+}
+
+/*
+ * stmfClearProviderData
+ *
+ * Purpose: delete all provider data for specified provider
+ *
+ * providerName - name of provider for which data should be deleted
+ */
+int
+stmfClearProviderData(char *providerName, int providerType)
+{
+	int ret;
+	int fd;
+	int ioctlRet;
+	int savedErrno;
+	stmf_iocdata_t stmfIoctl;
+	stmf_ppioctl_data_t ppi;
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	if (providerName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (providerType != STMF_LU_PROVIDER_TYPE &&
+	    providerType != STMF_PORT_PROVIDER_TYPE) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	bzero(&ppi, sizeof (ppi));
+
+	(void) strncpy(ppi.ppi_name, providerName, sizeof (ppi.ppi_name));
+
+	switch (providerType) {
+		case STMF_LU_PROVIDER_TYPE:
+			ppi.ppi_lu_provider = 1;
+			break;
+		case STMF_PORT_PROVIDER_TYPE:
+			ppi.ppi_port_provider = 1;
+			break;
+		default:
+			ret = STMF_ERROR_INVALID_ARG;
+			goto done;
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmf_ppioctl_data_t);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ppi;
+
+	ioctlRet = ioctl(fd, STMF_IOCTL_CLEAR_PP_DATA, &stmfIoctl);
+	if (ioctlRet != 0) {
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfClearProviderData:ioctl error(%d)",
+				    ioctlRet);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		if (savedErrno != ENOENT) {
+			goto done;
+		}
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	ret = psClearProviderData(providerName, providerType);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfClearProviderData:psClearProviderData"
+			    ":error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfCreateHostGroup
+ *
+ * Purpose: Create a new initiator group
+ *
+ * hostGroupName - name of host group to create
+ */
+int
+stmfCreateHostGroup(stmfGroupName *hostGroupName)
+{
+	int ret;
+	int fd;
+
+	if (hostGroupName == NULL ||
+	    (strnlen((char *)hostGroupName, sizeof (stmfGroupName))
+	    == sizeof (stmfGroupName))) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check to ensure service exists */
+	if (psCheckService() != STMF_STATUS_SUCCESS) {
+		return (STMF_ERROR_SERVICE_NOT_FOUND);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_HOST_GROUP,
+	    hostGroupName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	ret = psCreateHostGroup((char *)hostGroupName);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_EXISTS:
+			ret = STMF_ERROR_EXISTS;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfCreateHostGroup:psCreateHostGroup:error(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfCreateLu
+ *
+ * Purpose: Create a logical unit
+ *
+ * hdl - handle to logical unit resource created via stmfCreateLuResource
+ *
+ * luGuid - If non-NULL, on success, contains the guid of the created logical
+ *	    unit
+ */
+int
+stmfCreateLu(luResource hdl, stmfGuid *luGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	luResourceImpl *luPropsHdl = hdl;
+
+	if (hdl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (luPropsHdl->type == STMF_DISK) {
+		ret = createDiskLu((diskResource *)luPropsHdl->resource,
+		    luGuid);
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfCreateLuResource
+ *
+ * Purpose: Create resource handle for a logical unit
+ *
+ * dType - Type of logical unit resource to create
+ *	   Can be: STMF_DISK
+ *
+ * hdl - pointer to luResource
+ */
+int
+stmfCreateLuResource(uint16_t dType, luResource *hdl)
+{
+	int ret = STMF_STATUS_SUCCESS;
+
+	if (dType != STMF_DISK || hdl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	*hdl = calloc(1, sizeof (luResourceImpl));
+	if (*hdl == NULL) {
+		return (STMF_ERROR_NOMEM);
+	}
+
+	ret = createDiskResource((luResourceImpl *)*hdl);
+	if (ret != STMF_STATUS_SUCCESS) {
+		free(*hdl);
+		return (ret);
+	}
+
+	return (STMF_STATUS_SUCCESS);
+}
+
+/*
+ * Creates a disk logical unit
+ *
+ * disk - pointer to diskResource structure that represents the properties
+ *        for the disk logical unit to be created.
+ */
+static int
+createDiskLu(diskResource *disk, stmfGuid *createdGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int dataFileNameLen = 0;
+	int metaFileNameLen = 0;
+	int serialNumLen = 0;
+	int luAliasLen = 0;
+	int luMgmtUrlLen = 0;
+	int sluBufSize = 0;
+	int bufOffset = 0;
+	int fd = 0;
+	int ioctlRet;
+	int savedErrno;
+	stmfGuid guid;
+	stmf_iocdata_t sbdIoctl = {0};
+
+	sbd_create_and_reg_lu_t *sbdLu = NULL;
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/* data file name must be specified */
+	if (disk->luDataFileNameValid) {
+		dataFileNameLen = strlen(disk->luDataFileName);
+	} else {
+		(void) close(fd);
+		return (STMF_ERROR_MISSING_PROP_VAL);
+	}
+
+	sluBufSize += dataFileNameLen + 1;
+
+	if (disk->luMetaFileNameValid) {
+		metaFileNameLen = strlen(disk->luMetaFileName);
+		sluBufSize += metaFileNameLen + 1;
+	}
+
+	serialNumLen = strlen(disk->serialNum);
+	sluBufSize += serialNumLen;
+
+	if (disk->luAliasValid) {
+		luAliasLen = strlen(disk->luAlias);
+		sluBufSize += luAliasLen + 1;
+	}
+
+	if (disk->luMgmtUrlValid) {
+		luMgmtUrlLen = strlen(disk->luMgmtUrl);
+		sluBufSize += luMgmtUrlLen + 1;
+	}
+
+	/*
+	 * 8 is the size of the buffer set aside for
+	 * concatenation of variable length fields
+	 */
+	sbdLu = (sbd_create_and_reg_lu_t *)calloc(1,
+	    sizeof (sbd_create_and_reg_lu_t) + sluBufSize - 8);
+	if (sbdLu == NULL) {
+		return (STMF_ERROR_NOMEM);
+	}
+
+	sbdLu->slu_struct_size = sizeof (sbd_create_and_reg_lu_t) +
+	    sluBufSize - 8;
+
+	if (metaFileNameLen) {
+		sbdLu->slu_meta_fname_valid = 1;
+		sbdLu->slu_meta_fname_off = bufOffset;
+		bcopy(disk->luMetaFileName, &(sbdLu->slu_buf[bufOffset]),
+		    metaFileNameLen + 1);
+		bufOffset += metaFileNameLen + 1;
+	}
+
+	bcopy(disk->luDataFileName, &(sbdLu->slu_buf[bufOffset]),
+	    dataFileNameLen + 1);
+	sbdLu->slu_data_fname_off = bufOffset;
+	bufOffset += dataFileNameLen + 1;
+
+	/* currently, serial # is not passed null terminated to the driver */
+	if (disk->serialNumValid) {
+		sbdLu->slu_serial_valid = 1;
+		sbdLu->slu_serial_off = bufOffset;
+		sbdLu->slu_serial_size = serialNumLen;
+		bcopy(disk->serialNum, &(sbdLu->slu_buf[bufOffset]),
+		    serialNumLen);
+		bufOffset += serialNumLen;
+	}
+
+	if (disk->luAliasValid) {
+		sbdLu->slu_alias_valid = 1;
+		sbdLu->slu_alias_off = bufOffset;
+		bcopy(disk->luAlias, &(sbdLu->slu_buf[bufOffset]),
+		    luAliasLen + 1);
+		bufOffset += luAliasLen + 1;
+	}
+
+	if (disk->luMgmtUrlValid) {
+		sbdLu->slu_mgmt_url_valid = 1;
+		sbdLu->slu_mgmt_url_off = bufOffset;
+		bcopy(disk->luMgmtUrl, &(sbdLu->slu_buf[bufOffset]),
+		    luMgmtUrlLen + 1);
+		bufOffset += luMgmtUrlLen + 1;
+	}
+
+	if (disk->luSizeValid) {
+		sbdLu->slu_lu_size_valid = 1;
+		sbdLu->slu_lu_size = disk->luSize;
+	}
+
+	if (disk->luGuidValid) {
+		sbdLu->slu_guid_valid = 1;
+		bcopy(disk->luGuid, sbdLu->slu_guid, sizeof (disk->luGuid));
+	}
+
+	if (disk->vidValid) {
+		sbdLu->slu_vid_valid = 1;
+		bcopy(disk->vid, sbdLu->slu_vid, sizeof (disk->vid));
+	}
+
+	if (disk->pidValid) {
+		sbdLu->slu_pid_valid = 1;
+		bcopy(disk->pid, sbdLu->slu_pid, sizeof (disk->pid));
+	}
+
+	if (disk->revValid) {
+		sbdLu->slu_rev_valid = 1;
+		bcopy(disk->rev, sbdLu->slu_rev, sizeof (disk->rev));
+	}
+
+	if (disk->companyIdValid) {
+		sbdLu->slu_company_id_valid = 1;
+		sbdLu->slu_company_id = disk->companyId;
+	}
+
+	if (disk->hostIdValid) {
+		sbdLu->slu_host_id_valid = 1;
+		sbdLu->slu_host_id = disk->hostId;
+	}
+
+	if (disk->blkSizeValid) {
+		sbdLu->slu_blksize_valid = 1;
+		sbdLu->slu_blksize = disk->blkSize;
+	}
+
+	if (disk->writeProtectEnableValid) {
+		if (disk->writeProtectEnable) {
+			sbdLu->slu_write_protected = 1;
+		}
+	}
+
+	if (disk->writebackCacheDisableValid) {
+		sbdLu->slu_writeback_cache_disable_valid = 1;
+		if (disk->writebackCacheDisable) {
+			sbdLu->slu_writeback_cache_disable = 1;
+		}
+	}
+
+	sbdIoctl.stmf_version = STMF_VERSION_1;
+	sbdIoctl.stmf_ibuf_size = sbdLu->slu_struct_size;
+	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdLu;
+	sbdIoctl.stmf_obuf_size = sbdLu->slu_struct_size;
+	sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdLu;
+
+	ioctlRet = ioctl(fd, SBD_IOCTL_CREATE_AND_REGISTER_LU, &sbdIoctl);
+	if (ioctlRet != 0) {
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				diskError(sbdIoctl.stmf_error, &ret);
+				if (ret == STMF_STATUS_ERROR) {
+					syslog(LOG_DEBUG,
+					"createDiskLu:ioctl "
+					"error(%d) (%d) (%d)", ioctlRet,
+					    sbdIoctl.stmf_error, savedErrno);
+				}
+				break;
+		}
+	}
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	/*
+	 * on success, copy the resulting guid into the caller's guid if not
+	 * NULL
+	 */
+	if (createdGuid) {
+		bcopy(sbdLu->slu_guid, createdGuid->guid,
+		    sizeof (sbdLu->slu_guid));
+	}
+
+	bcopy(sbdLu->slu_guid, guid.guid, sizeof (sbdLu->slu_guid));
+	if (disk->luMetaFileNameValid) {
+		ret = addGuidToDiskStore(&guid, disk->luMetaFileName);
+	} else {
+		ret = addGuidToDiskStore(&guid, disk->luDataFileName);
+	}
+done:
+	free(sbdLu);
+	(void) close(fd);
+	return (ret);
+}
+
+
+/*
+ * stmfImportLu
+ *
+ * Purpose: Import a previously created logical unit
+ *
+ * dType - Type of logical unit
+ *         Can be: STMF_DISK
+ *
+ * luGuid - If non-NULL, on success, contains the guid of the imported logical
+ *	    unit
+ *
+ * fname - A file name where the metadata resides
+ *
+ */
+int
+stmfImportLu(uint16_t dType, char *fname, stmfGuid *luGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+
+	if (dType == STMF_DISK) {
+		ret = importDiskLu(fname, luGuid);
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	return (ret);
+}
+
+/*
+ * importDiskLu
+ *
+ * filename - filename to import
+ * createdGuid - if not NULL, on success contains the imported guid
+ *
+ */
+static int
+importDiskLu(char *fname, stmfGuid *createdGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd = 0;
+	int ioctlRet;
+	int savedErrno;
+	int metaFileNameLen;
+	stmfGuid iGuid;
+	int iluBufSize = 0;
+	sbd_import_lu_t *sbdLu = NULL;
+	stmf_iocdata_t sbdIoctl = {0};
+
+	if (fname == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	metaFileNameLen = strlen(fname);
+	iluBufSize += metaFileNameLen + 1;
+
+	/*
+	 * 8 is the size of the buffer set aside for
+	 * concatenation of variable length fields
+	 */
+	sbdLu = (sbd_import_lu_t *)calloc(1,
+	    sizeof (sbd_import_lu_t) + iluBufSize - 8);
+	if (sbdLu == NULL) {
+		(void) close(fd);
+		return (STMF_ERROR_NOMEM);
+	}
+
+	/*
+	 * Accept either a data file or meta data file.
+	 * sbd will do the right thing here either way.
+	 * i.e. if it's a data file, it assumes that the
+	 * meta data is shared with the data.
+	 */
+	(void) strncpy(sbdLu->ilu_meta_fname, fname, metaFileNameLen);
+
+	sbdLu->ilu_struct_size = sizeof (sbd_import_lu_t) + iluBufSize - 8;
+
+	sbdIoctl.stmf_version = STMF_VERSION_1;
+	sbdIoctl.stmf_ibuf_size = sbdLu->ilu_struct_size;
+	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdLu;
+	sbdIoctl.stmf_obuf_size = sbdLu->ilu_struct_size;
+	sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdLu;
+
+	ioctlRet = ioctl(fd, SBD_IOCTL_IMPORT_LU, &sbdIoctl);
+	if (ioctlRet != 0) {
+
+		if (createdGuid && sbdIoctl.stmf_error ==
+		    SBD_RET_FILE_ALREADY_REGISTERED) {
+			bcopy(sbdLu->ilu_ret_guid, createdGuid->guid,
+			    sizeof (sbdLu->ilu_ret_guid));
+		}
+
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				diskError(sbdIoctl.stmf_error, &ret);
+				if (ret == STMF_STATUS_ERROR) {
+					syslog(LOG_DEBUG,
+					"importDiskLu:ioctl "
+					"error(%d) (%d) (%d)", ioctlRet,
+					    sbdIoctl.stmf_error, savedErrno);
+				}
+				break;
+		}
+	}
+
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	/*
+	 * on success, copy the resulting guid into the caller's guid if not
+	 * NULL and add it to the persistent store for sbd
+	 */
+	if (createdGuid) {
+		bcopy(sbdLu->ilu_ret_guid, createdGuid->guid,
+		    sizeof (sbdLu->ilu_ret_guid));
+		ret = addGuidToDiskStore(createdGuid, fname);
+	} else {
+		bcopy(sbdLu->ilu_ret_guid, iGuid.guid,
+		    sizeof (sbdLu->ilu_ret_guid));
+		ret = addGuidToDiskStore(&iGuid, fname);
+	}
+done:
+	free(sbdLu);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * diskError
+ *
+ * Purpose: Translate sbd driver error
+ */
+static void
+diskError(uint32_t stmfError, int *ret)
+{
+	switch (stmfError) {
+		case SBD_RET_META_CREATION_FAILED:
+		case SBD_RET_ZFS_META_CREATE_FAILED:
+			*ret = STMF_ERROR_META_CREATION;
+			break;
+		case SBD_RET_INVALID_BLKSIZE:
+			*ret = STMF_ERROR_INVALID_BLKSIZE;
+			break;
+		case SBD_RET_FILE_ALREADY_REGISTERED:
+			*ret = STMF_ERROR_FILE_IN_USE;
+			break;
+		case SBD_RET_GUID_ALREADY_REGISTERED:
+			*ret = STMF_ERROR_GUID_IN_USE;
+			break;
+		case SBD_RET_META_PATH_NOT_ABSOLUTE:
+		case SBD_RET_META_FILE_LOOKUP_FAILED:
+		case SBD_RET_META_FILE_OPEN_FAILED:
+		case SBD_RET_META_FILE_GETATTR_FAILED:
+		case SBD_RET_NO_META:
+			*ret = STMF_ERROR_META_FILE_NAME;
+			break;
+		case SBD_RET_DATA_PATH_NOT_ABSOLUTE:
+		case SBD_RET_DATA_FILE_LOOKUP_FAILED:
+		case SBD_RET_DATA_FILE_OPEN_FAILED:
+		case SBD_RET_DATA_FILE_GETATTR_FAILED:
+			*ret = STMF_ERROR_DATA_FILE_NAME;
+			break;
+		case SBD_RET_FILE_SIZE_ERROR:
+			*ret = STMF_ERROR_FILE_SIZE_INVALID;
+			break;
+		case SBD_RET_SIZE_OUT_OF_RANGE:
+			*ret = STMF_ERROR_SIZE_OUT_OF_RANGE;
+			break;
+		case SBD_RET_LU_BUSY:
+			*ret = STMF_ERROR_LU_BUSY;
+			break;
+		case SBD_RET_WRITE_CACHE_SET_FAILED:
+			*ret = STMF_ERROR_WRITE_CACHE_SET;
+			break;
+		case SBD_RET_ACCESS_STATE_FAILED:
+			*ret = STMF_ERROR_ACCESS_STATE_SET;
+			break;
+		default:
+			*ret = STMF_STATUS_ERROR;
+			break;
+	}
+}
+
+/*
+ * Creates a logical unit resource of type STMF_DISK.
+ *
+ * No defaults should be set here as all defaults are derived from the
+ * driver's default settings.
+ */
+static int
+createDiskResource(luResourceImpl *hdl)
+{
+	hdl->type = STMF_DISK;
+
+	hdl->resource = calloc(1, sizeof (diskResource));
+	if (hdl->resource == NULL) {
+		return (STMF_ERROR_NOMEM);
+	}
+
+	return (STMF_STATUS_SUCCESS);
+}
+
+/*
+ * stmfDeleteLu
+ *
+ * Purpose: Delete a logical unit
+ *
+ * hdl - handle to logical unit resource created via stmfCreateLuResource
+ *
+ * luGuid - If non-NULL, on success, contains the guid of the created logical
+ *	    unit
+ */
+int
+stmfDeleteLu(stmfGuid *luGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	stmfLogicalUnitProperties luProps;
+
+	if (luGuid == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check logical unit provider name to call correct dtype function */
+	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
+	    != STMF_STATUS_SUCCESS) {
+		return (ret);
+	} else {
+		if (strcmp(luProps.providerName, "sbd") == 0) {
+			ret = deleteDiskLu(luGuid);
+		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
+			return (STMF_ERROR_NOT_FOUND);
+		} else {
+			return (STMF_ERROR_INVALID_ARG);
+		}
+	}
+
+	return (ret);
+}
+
+static int
+deleteDiskLu(stmfGuid *luGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	int savedErrno;
+	int ioctlRet;
+	sbd_delete_lu_t deleteLu = {0};
+
+	stmf_iocdata_t sbdIoctl = {0};
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	ret = removeGuidFromDiskStore(luGuid);
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	bcopy(luGuid, deleteLu.dlu_guid, sizeof (deleteLu.dlu_guid));
+	deleteLu.dlu_by_guid = 1;
+
+	sbdIoctl.stmf_version = STMF_VERSION_1;
+	sbdIoctl.stmf_ibuf_size = sizeof (deleteLu);
+	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)&deleteLu;
+	ioctlRet = ioctl(fd, SBD_IOCTL_DELETE_LU, &sbdIoctl);
+	if (ioctlRet != 0) {
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case ENOENT:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "deleteDiskLu:ioctl error(%d) (%d) (%d)",
+				    ioctlRet, sbdIoctl.stmf_error, savedErrno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfLuStandby
+ *
+ * Purpose: Sets access state to standby
+ *
+ * luGuid - guid of registered logical unit
+ *
+ */
+int
+stmfLuStandby(stmfGuid *luGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	stmfLogicalUnitProperties luProps;
+
+	if (luGuid == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check logical unit provider name to call correct dtype function */
+	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
+	    != STMF_STATUS_SUCCESS) {
+		return (ret);
+	} else {
+		if (strcmp(luProps.providerName, "sbd") == 0) {
+			ret = setDiskStandby(luGuid);
+		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
+			return (STMF_ERROR_NOT_FOUND);
+		} else {
+			return (STMF_ERROR_INVALID_ARG);
+		}
+	}
+
+	return (ret);
+}
+
+static int
+setDiskStandby(stmfGuid *luGuid)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	stmf_iocdata_t sbdIoctl = {0};
+	sbd_set_lu_standby_t sbdLu = {0};
+	int ioctlRet;
+	int savedErrno;
+	int fd = 0;
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	bcopy(luGuid, &sbdLu.stlu_guid, sizeof (stmfGuid));
+
+	sbdIoctl.stmf_version = STMF_VERSION_1;
+	sbdIoctl.stmf_ibuf_size = sizeof (sbd_set_lu_standby_t);
+	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)&sbdLu;
+
+	ioctlRet = ioctl(fd, SBD_IOCTL_SET_LU_STANDBY, &sbdIoctl);
+	if (ioctlRet != 0) {
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				diskError(sbdIoctl.stmf_error, &ret);
+				if (ret == STMF_STATUS_ERROR) {
+					syslog(LOG_DEBUG,
+					"setDiskStandby:ioctl "
+					"error(%d) (%d) (%d)", ioctlRet,
+					    sbdIoctl.stmf_error, savedErrno);
+				}
+				break;
+		}
+	}
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfModifyLu
+ *
+ * Purpose: Modify properties of a logical unit
+ *
+ * luGuid - guid of registered logical unit
+ * prop - property to modify
+ * propVal - property value to set
+ *
+ */
+int
+stmfModifyLu(stmfGuid *luGuid, uint32_t prop, const char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	stmfLogicalUnitProperties luProps;
+
+	if (luGuid == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check logical unit provider name to call correct dtype function */
+	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
+	    != STMF_STATUS_SUCCESS) {
+		return (ret);
+	} else {
+		if (strcmp(luProps.providerName, "sbd") == 0) {
+			ret = modifyDiskLuProp(luGuid, NULL, prop, propVal);
+		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
+			return (STMF_ERROR_NOT_FOUND);
+		} else {
+			return (STMF_ERROR_INVALID_ARG);
+		}
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfModifyLuByFname
+ *
+ * Purpose: Modify a device by filename. Device does not need to be registered.
+ *
+ * dType - type of device to modify
+ *         STMF_DISK
+ *
+ * fname - filename or meta filename
+ * prop - valid property identifier
+ * propVal - property value
+ *
+ */
+int
+stmfModifyLuByFname(uint16_t dType, const char *fname, uint32_t prop,
+    const char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	if (fname == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (dType == STMF_DISK) {
+		ret = modifyDiskLuProp(NULL, fname, prop, propVal);
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	return (ret);
+}
+
+static int
+modifyDiskLuProp(stmfGuid *luGuid, const char *fname, uint32_t prop,
+    const char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	luResource hdl = NULL;
+	luResourceImpl *luPropsHdl;
+
+	ret = stmfCreateLuResource(STMF_DISK, &hdl);
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+	ret = validateModifyDiskProp(prop);
+	if (ret != STMF_STATUS_SUCCESS) {
+		(void) stmfFreeLuResource(hdl);
+		return (STMF_ERROR_INVALID_PROP);
+	}
+	ret = stmfSetLuProp(hdl, prop, propVal);
+	if (ret != STMF_STATUS_SUCCESS) {
+		(void) stmfFreeLuResource(hdl);
+		return (ret);
+	}
+	luPropsHdl = hdl;
+	ret = modifyDiskLu((diskResource *)luPropsHdl->resource, luGuid, fname);
+	(void) stmfFreeLuResource(hdl);
+	return (ret);
+}
+
+static int
+validateModifyDiskProp(uint32_t prop)
+{
+	switch (prop) {
+		case STMF_LU_PROP_ALIAS:
+		case STMF_LU_PROP_SIZE:
+		case STMF_LU_PROP_MGMT_URL:
+		case STMF_LU_PROP_WRITE_PROTECT:
+		case STMF_LU_PROP_WRITE_CACHE_DISABLE:
+			return (STMF_STATUS_SUCCESS);
+		default:
+			return (STMF_STATUS_ERROR);
+	}
+}
+
+static int
+modifyDiskLu(diskResource *disk, stmfGuid *luGuid, const char *fname)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int luAliasLen = 0;
+	int luMgmtUrlLen = 0;
+	int mluBufSize = 0;
+	int bufOffset = 0;
+	int fd = 0;
+	int ioctlRet;
+	int savedErrno;
+	int fnameSize = 0;
+	stmf_iocdata_t sbdIoctl = {0};
+
+	sbd_modify_lu_t *sbdLu = NULL;
+
+	if (luGuid == NULL && fname == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (fname) {
+		fnameSize = strlen(fname) + 1;
+		mluBufSize += fnameSize;
+	}
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	if (disk->luAliasValid) {
+		luAliasLen = strlen(disk->luAlias);
+		mluBufSize += luAliasLen + 1;
+	}
+
+	if (disk->luMgmtUrlValid) {
+		luMgmtUrlLen = strlen(disk->luMgmtUrl);
+		mluBufSize += luMgmtUrlLen + 1;
+	}
+
+	/*
+	 * 8 is the size of the buffer set aside for
+	 * concatenation of variable length fields
+	 */
+	sbdLu = (sbd_modify_lu_t *)calloc(1,
+	    sizeof (sbd_modify_lu_t) + mluBufSize - 8 + fnameSize);
+	if (sbdLu == NULL) {
+		(void) close(fd);
+		return (STMF_ERROR_NOMEM);
+	}
+
+	sbdLu->mlu_struct_size = sizeof (sbd_modify_lu_t) +
+	    mluBufSize - 8 + fnameSize;
+
+	if (disk->luAliasValid) {
+		sbdLu->mlu_alias_valid = 1;
+		sbdLu->mlu_alias_off = bufOffset;
+		bcopy(disk->luAlias, &(sbdLu->mlu_buf[bufOffset]),
+		    luAliasLen + 1);
+		bufOffset += luAliasLen + 1;
+	}
+
+	if (disk->luMgmtUrlValid) {
+		sbdLu->mlu_mgmt_url_valid = 1;
+		sbdLu->mlu_mgmt_url_off = bufOffset;
+		bcopy(disk->luMgmtUrl, &(sbdLu->mlu_buf[bufOffset]),
+		    luMgmtUrlLen + 1);
+		bufOffset += luMgmtUrlLen + 1;
+	}
+
+	if (disk->luSizeValid) {
+		sbdLu->mlu_lu_size_valid = 1;
+		sbdLu->mlu_lu_size = disk->luSize;
+	}
+
+	if (disk->writeProtectEnableValid) {
+		sbdLu->mlu_write_protected_valid = 1;
+		if (disk->writeProtectEnable) {
+			sbdLu->mlu_write_protected = 1;
+		}
+	}
+
+	if (disk->writebackCacheDisableValid) {
+		sbdLu->mlu_writeback_cache_disable_valid = 1;
+		if (disk->writebackCacheDisable) {
+			sbdLu->mlu_writeback_cache_disable = 1;
+		}
+	}
+
+	if (luGuid) {
+		bcopy(luGuid, sbdLu->mlu_input_guid, sizeof (stmfGuid));
+		sbdLu->mlu_by_guid = 1;
+	} else {
+		sbdLu->mlu_fname_off = bufOffset;
+		bcopy(fname, &(sbdLu->mlu_buf[bufOffset]), fnameSize + 1);
+		sbdLu->mlu_by_fname = 1;
+	}
+
+	sbdIoctl.stmf_version = STMF_VERSION_1;
+	sbdIoctl.stmf_ibuf_size = sbdLu->mlu_struct_size;
+	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdLu;
+
+	ioctlRet = ioctl(fd, SBD_IOCTL_MODIFY_LU, &sbdIoctl);
+	if (ioctlRet != 0) {
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				diskError(sbdIoctl.stmf_error, &ret);
+				if (ret == STMF_STATUS_ERROR) {
+					syslog(LOG_DEBUG,
+					"modifyDiskLu:ioctl "
+					"error(%d) (%d) (%d)", ioctlRet,
+					    sbdIoctl.stmf_error, savedErrno);
+				}
+				break;
+		}
+	}
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+done:
+	free(sbdLu);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * removeGuidFromDiskStore
+ *
+ * Purpose: delete a logical unit from the sbd provider data
+ */
+static int
+removeGuidFromDiskStore(stmfGuid *guid)
+{
+	return (persistDiskGuid(guid, NULL, B_FALSE));
+}
+
+
+/*
+ * addGuidToDiskStore
+ *
+ * Purpose: add a logical unit to the sbd provider data
+ */
+static int
+addGuidToDiskStore(stmfGuid *guid, char *filename)
+{
+	return (persistDiskGuid(guid, filename, B_TRUE));
+}
+
+
+/*
+ * persistDiskGuid
+ *
+ * Purpose: Persist or unpersist a guid for the sbd provider data
+ *
+ */
+static int
+persistDiskGuid(stmfGuid *guid, char *filename, boolean_t persist)
+{
+	char	    guidAsciiBuf[LU_ASCII_GUID_SIZE + 1] = {0};
+	nvlist_t    *nvl = NULL;
+
+	uint64_t    setToken;
+	boolean_t   retryGetProviderData = B_FALSE;
+	boolean_t   newData = B_FALSE;
+	int	    ret = STMF_STATUS_SUCCESS;
+	int	    retryCnt = 0;
+	int	    stmfRet;
+
+	/* if we're persisting a guid, there must be a filename */
+	if (persist && !filename) {
+		return (1);
+	}
+
+	/* guid is stored in lowercase ascii hex */
+	(void) snprintf(guidAsciiBuf, sizeof (guidAsciiBuf),
+	    "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
+	    "%02x%02x%02x%02x%02x%02x",
+	    guid->guid[0], guid->guid[1], guid->guid[2], guid->guid[3],
+	    guid->guid[4], guid->guid[5], guid->guid[6], guid->guid[7],
+	    guid->guid[8], guid->guid[9], guid->guid[10], guid->guid[11],
+	    guid->guid[12], guid->guid[13], guid->guid[14], guid->guid[15]);
+
+
+	do {
+		retryGetProviderData = B_FALSE;
+		stmfRet = stmfGetProviderDataProt("sbd", &nvl,
+		    STMF_LU_PROVIDER_TYPE, &setToken);
+		if (stmfRet != STMF_STATUS_SUCCESS) {
+			if (persist && stmfRet == STMF_ERROR_NOT_FOUND) {
+				ret = nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0);
+				if (ret != 0) {
+					syslog(LOG_DEBUG,
+					    "unpersistGuid:nvlist_alloc(%d)",
+					    ret);
+					ret = STMF_STATUS_ERROR;
+					goto done;
+				}
+				newData = B_TRUE;
+			} else {
+				/*
+				 * if we're persisting the data, it's
+				 * an error. Otherwise, just return
+				 */
+				if (persist) {
+					ret = stmfRet;
+				}
+				goto done;
+			}
+		}
+		if (persist) {
+			ret = nvlist_add_string(nvl, guidAsciiBuf, filename);
+		} else {
+			ret = nvlist_remove(nvl, guidAsciiBuf,
+			    DATA_TYPE_STRING);
+			if (ret == ENOENT) {
+				ret = 0;
+			}
+		}
+		if (ret == 0) {
+			if (newData) {
+				stmfRet = stmfSetProviderDataProt("sbd", nvl,
+				    STMF_LU_PROVIDER_TYPE, NULL);
+			} else {
+				stmfRet = stmfSetProviderDataProt("sbd", nvl,
+				    STMF_LU_PROVIDER_TYPE, &setToken);
+			}
+			if (stmfRet != STMF_STATUS_SUCCESS) {
+				if (stmfRet == STMF_ERROR_BUSY) {
+					/* get/set failed, try again */
+					retryGetProviderData = B_TRUE;
+					if (retryCnt++ > MAX_PROVIDER_RETRY) {
+						ret = stmfRet;
+						break;
+					}
+					continue;
+				} else if (stmfRet ==
+				    STMF_ERROR_PROV_DATA_STALE) {
+					/* update failed, try again */
+					nvlist_free(nvl);
+					nvl = NULL;
+					retryGetProviderData = B_TRUE;
+					if (retryCnt++ > MAX_PROVIDER_RETRY) {
+						ret = stmfRet;
+						break;
+					}
+					continue;
+				} else {
+					syslog(LOG_DEBUG,
+					    "unpersistGuid:error(%x)", stmfRet);
+					ret = stmfRet;
+				}
+				break;
+			}
+		} else {
+			syslog(LOG_DEBUG,
+			    "unpersistGuid:error nvlist_add/remove(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+		}
+	} while (retryGetProviderData);
+
+done:
+	nvlist_free(nvl);
+	return (ret);
+}
+
+
+/*
+ * stmfGetLuProp
+ *
+ * Purpose: Get current value for a resource property
+ *
+ * hdl - luResource from a previous call to stmfCreateLuResource
+ *
+ * resourceProp - a valid resource property type
+ *
+ * propVal - void pointer to a pointer of the value to be retrieved
+ */
+int
+stmfGetLuProp(luResource hdl, uint32_t prop, char *propVal, size_t *propLen)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	luResourceImpl *luPropsHdl = hdl;
+	if (hdl == NULL || propLen == NULL || propVal == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (luPropsHdl->type == STMF_DISK) {
+		ret = getDiskProp(luPropsHdl, prop, propVal, propLen);
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfGetLuResource
+ *
+ * Purpose: Get a logical unit resource handle for a given logical unit.
+ *
+ * hdl - pointer to luResource
+ */
+int
+stmfGetLuResource(stmfGuid *luGuid, luResource *hdl)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	stmfLogicalUnitProperties luProps;
+
+	if (hdl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check logical unit provider name to call correct dtype function */
+	if ((ret = stmfGetLogicalUnitProperties(luGuid, &luProps))
+	    != STMF_STATUS_SUCCESS) {
+		return (ret);
+	} else {
+		if (strcmp(luProps.providerName, "sbd") == 0) {
+			ret = getDiskAllProps(luGuid, hdl);
+		} else if (luProps.status == STMF_LOGICAL_UNIT_UNREGISTERED) {
+			return (STMF_ERROR_NOT_FOUND);
+		} else {
+			return (STMF_ERROR_INVALID_ARG);
+		}
+	}
+
+	return (ret);
+}
+
+/*
+ * getDiskAllProps
+ *
+ * Purpose: load all disk properties from sbd driver
+ *
+ * luGuid - guid of disk device for which properties are to be retrieved
+ * hdl - allocated luResource into which properties are to be copied
+ *
+ */
+static int
+getDiskAllProps(stmfGuid *luGuid, luResource *hdl)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	sbd_lu_props_t *sbdProps;
+	int ioctlRet;
+	int savedErrno;
+	int sbdPropsSize = sizeof (*sbdProps) + MAX_SBD_PROPS;
+	stmf_iocdata_t sbdIoctl = {0};
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+
+	*hdl = calloc(1, sizeof (luResourceImpl));
+	if (*hdl == NULL) {
+		(void) close(fd);
+		return (STMF_ERROR_NOMEM);
+	}
+
+	sbdProps = calloc(1, sbdPropsSize);
+	if (sbdProps == NULL) {
+		free(*hdl);
+		(void) close(fd);
+		return (STMF_ERROR_NOMEM);
+	}
+
+	ret = createDiskResource((luResourceImpl *)*hdl);
+	if (ret != STMF_STATUS_SUCCESS) {
+		free(*hdl);
+		free(sbdProps);
+		(void) close(fd);
+		return (ret);
+	}
+
+	sbdProps->slp_input_guid = 1;
+	bcopy(luGuid, sbdProps->slp_guid, sizeof (sbdProps->slp_guid));
+
+	sbdIoctl.stmf_version = STMF_VERSION_1;
+	sbdIoctl.stmf_ibuf_size = sbdPropsSize;
+	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdProps;
+	sbdIoctl.stmf_obuf_size = sbdPropsSize;
+	sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdProps;
+	ioctlRet = ioctl(fd, SBD_IOCTL_GET_LU_PROPS, &sbdIoctl);
+	if (ioctlRet != 0) {
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case ENOENT:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "getDiskAllProps:ioctl error(%d) (%d) (%d)",
+				    ioctlRet, sbdIoctl.stmf_error, savedErrno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	}
+
+	if (ret == STMF_STATUS_SUCCESS) {
+		ret = loadDiskPropsFromDriver((luResourceImpl *)*hdl, sbdProps);
+	}
+
+	free(sbdProps);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * loadDiskPropsFromDriver
+ *
+ * Purpose: Retrieve all disk type properties from sbd driver
+ *
+ * hdl - Allocated luResourceImpl
+ * sbdProps - sbd_lu_props_t structure returned from sbd driver
+ *
+ */
+static int
+loadDiskPropsFromDriver(luResourceImpl *hdl, sbd_lu_props_t *sbdProps)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	diskResource *diskLu = hdl->resource;
+	/* copy guid */
+	diskLu->luGuidValid = B_TRUE;
+	bcopy(sbdProps->slp_guid, diskLu->luGuid, sizeof (sbdProps->slp_guid));
+
+	if (sbdProps->slp_separate_meta && sbdProps->slp_meta_fname_valid) {
+		diskLu->luMetaFileNameValid = B_TRUE;
+		if (strlcpy(diskLu->luMetaFileName,
+		    (char *)&(sbdProps->slp_buf[sbdProps->slp_meta_fname_off]),
+		    sizeof (diskLu->luMetaFileName)) >=
+		    sizeof (diskLu->luMetaFileName)) {
+			return (STMF_STATUS_ERROR);
+		}
+	}
+
+	if (sbdProps->slp_data_fname_valid) {
+		diskLu->luDataFileNameValid = B_TRUE;
+		if (strlcpy(diskLu->luDataFileName,
+		    (char *)&(sbdProps->slp_buf[sbdProps->slp_data_fname_off]),
+		    sizeof (diskLu->luDataFileName)) >=
+		    sizeof (diskLu->luDataFileName)) {
+			return (STMF_STATUS_ERROR);
+		}
+	}
+
+	if (sbdProps->slp_serial_valid) {
+		diskLu->serialNumValid = B_TRUE;
+		bcopy(&(sbdProps->slp_buf[sbdProps->slp_serial_off]),
+		    diskLu->serialNum, sbdProps->slp_serial_size);
+	}
+
+	if (sbdProps->slp_mgmt_url_valid) {
+		diskLu->luMgmtUrlValid = B_TRUE;
+		if (strlcpy(diskLu->luMgmtUrl,
+		    (char *)&(sbdProps->slp_buf[sbdProps->slp_mgmt_url_off]),
+		    sizeof (diskLu->luMgmtUrl)) >=
+		    sizeof (diskLu->luMgmtUrl)) {
+			return (STMF_STATUS_ERROR);
+		}
+	}
+
+	if (sbdProps->slp_alias_valid) {
+		diskLu->luAliasValid = B_TRUE;
+		if (strlcpy(diskLu->luAlias,
+		    (char *)&(sbdProps->slp_buf[sbdProps->slp_alias_off]),
+		    sizeof (diskLu->luAlias)) >=
+		    sizeof (diskLu->luAlias)) {
+			return (STMF_STATUS_ERROR);
+		}
+	} else { /* set alias to data filename if not set */
+		if (sbdProps->slp_data_fname_valid) {
+			diskLu->luAliasValid = B_TRUE;
+			if (strlcpy(diskLu->luAlias,
+			    (char *)&(sbdProps->slp_buf[
+			    sbdProps->slp_data_fname_off]),
+			    sizeof (diskLu->luAlias)) >=
+			    sizeof (diskLu->luAlias)) {
+				return (STMF_STATUS_ERROR);
+			}
+		}
+	}
+
+	diskLu->vidValid = B_TRUE;
+	bcopy(sbdProps->slp_vid, diskLu->vid, sizeof (diskLu->vid));
+
+	diskLu->pidValid = B_TRUE;
+	bcopy(sbdProps->slp_pid, diskLu->pid, sizeof (diskLu->pid));
+
+	diskLu->revValid = B_TRUE;
+	bcopy(sbdProps->slp_rev, diskLu->rev, sizeof (diskLu->rev));
+
+	diskLu->writeProtectEnableValid = B_TRUE;
+	if (sbdProps->slp_write_protected) {
+		diskLu->writeProtectEnable = B_TRUE;
+	}
+
+	diskLu->writebackCacheDisableValid = B_TRUE;
+	if (sbdProps->slp_writeback_cache_disable_cur) {
+		diskLu->writebackCacheDisable = B_TRUE;
+	}
+
+	diskLu->blkSizeValid = B_TRUE;
+	diskLu->blkSize = sbdProps->slp_blksize;
+
+	diskLu->luSizeValid = B_TRUE;
+	diskLu->luSize = sbdProps->slp_lu_size;
+
+	diskLu->accessState = sbdProps->slp_access_state;
+
+	return (ret);
+}
+
+/*
+ * stmfGetGlobalLuProp
+ *
+ * Purpose: get a global property for a device type
+ *
+ */
+int
+stmfGetGlobalLuProp(uint16_t dType, uint32_t prop, char *propVal,
+    size_t *propLen)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	if (dType != STMF_DISK || propVal == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	ret = getDiskGlobalProp(prop, propVal, propLen);
+
+	return (ret);
+}
+
+/*
+ * getDiskGlobalProp
+ *
+ * Purpose: get global property from sbd driver
+ *
+ */
+static int
+getDiskGlobalProp(uint32_t prop, char *propVal, size_t *propLen)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	sbd_global_props_t *sbdProps;
+	void *sbd_realloc;
+	int retryCnt = 0;
+	boolean_t retry;
+	int ioctlRet;
+	int savedErrno;
+	int sbdPropsSize = sizeof (*sbdProps) + MAX_SBD_PROPS;
+	stmf_iocdata_t sbdIoctl = {0};
+	size_t reqLen;
+
+	switch (prop) {
+		case STMF_LU_PROP_MGMT_URL:
+			break;
+		default:
+			return (STMF_ERROR_INVALID_PROP);
+	}
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	sbdProps = calloc(1, sbdPropsSize);
+	if (sbdProps == NULL) {
+		(void) close(fd);
+		return (STMF_ERROR_NOMEM);
+	}
+
+	do {
+		retry = B_FALSE;
+		sbdIoctl.stmf_version = STMF_VERSION_1;
+		sbdIoctl.stmf_obuf_size = sbdPropsSize;
+		sbdIoctl.stmf_obuf = (uint64_t)(unsigned long)sbdProps;
+		ioctlRet = ioctl(fd, SBD_IOCTL_GET_GLOBAL_LU, &sbdIoctl);
+		if (ioctlRet != 0) {
+			savedErrno = errno;
+			switch (savedErrno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				case ENOMEM:
+					if (sbdIoctl.stmf_error ==
+					    SBD_RET_INSUFFICIENT_BUF_SPACE &&
+					    retryCnt++ < 3) {
+						sbdPropsSize =
+						    sizeof (*sbdProps) +
+						    sbdProps->
+						    mlu_buf_size_needed;
+
+						sbd_realloc = sbdProps;
+						sbdProps = realloc(sbdProps,
+						    sbdPropsSize);
+						if (sbdProps == NULL) {
+							free(sbd_realloc);
+							ret = STMF_ERROR_NOMEM;
+							break;
+						}
+						retry = B_TRUE;
+					} else {
+						ret = STMF_ERROR_NOMEM;
+					}
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "getDiskGlobalProp:ioctl error(%d)"
+					    "(%d)(%d)", ioctlRet,
+					    sbdIoctl.stmf_error, savedErrno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+
+		}
+	} while (retry);
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	switch (prop) {
+		case STMF_LU_PROP_MGMT_URL:
+			if (sbdProps->mlu_mgmt_url_valid == 0) {
+				ret = STMF_ERROR_NO_PROP;
+				goto done;
+			}
+			if ((reqLen = strlcpy(propVal, (char *)&(
+			    sbdProps->mlu_buf[sbdProps->mlu_mgmt_url_off]),
+			    *propLen)) >= *propLen) {
+				*propLen = reqLen + 1;
+				ret = STMF_ERROR_INVALID_ARG;
+				goto done;
+			}
+			break;
+	}
+
+done:
+	free(sbdProps);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfSetGlobalLuProp
+ *
+ * Purpose: set a global property for a device type
+ *
+ */
+int
+stmfSetGlobalLuProp(uint16_t dType, uint32_t prop, const char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	if (dType != STMF_DISK || propVal == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	ret = setDiskGlobalProp(prop, propVal);
+
+	return (ret);
+}
+
+/*
+ * setDiskGlobalProp
+ *
+ * Purpose: set properties for resource of type disk
+ *
+ * resourceProp - valid resource identifier
+ * propVal - valid resource value
+ */
+static int
+setDiskGlobalProp(uint32_t resourceProp, const char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	sbd_global_props_t *sbdGlobalProps = NULL;
+	int sbdGlobalPropsSize = 0;
+	int propLen;
+	int mluBufSize = 0;
+	int fd;
+	int savedErrno;
+	int ioctlRet;
+	stmf_iocdata_t sbdIoctl = {0};
+
+	switch (resourceProp) {
+		case STMF_LU_PROP_MGMT_URL:
+			break;
+		default:
+			return (STMF_ERROR_INVALID_PROP);
+	}
+
+	/*
+	 * Open control node for sbd
+	 */
+	if ((ret = openSbd(OPEN_SBD, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	propLen = strlen(propVal);
+	mluBufSize += propLen + 1;
+	sbdGlobalPropsSize += sizeof (sbd_global_props_t) - 8 +
+	    max(8, mluBufSize);
+	/*
+	 * 8 is the size of the buffer set aside for
+	 * concatenation of variable length fields
+	 */
+	sbdGlobalProps = (sbd_global_props_t *)calloc(1, sbdGlobalPropsSize);
+	if (sbdGlobalProps == NULL) {
+		(void) close(fd);
+		return (STMF_ERROR_NOMEM);
+	}
+
+	sbdGlobalProps->mlu_struct_size = sbdGlobalPropsSize;
+
+	switch (resourceProp) {
+		case STMF_LU_PROP_MGMT_URL:
+			sbdGlobalProps->mlu_mgmt_url_valid = 1;
+			bcopy(propVal, &(sbdGlobalProps->mlu_buf),
+			    propLen + 1);
+			break;
+		default:
+			ret = STMF_ERROR_NO_PROP;
+			goto done;
+	}
+
+	sbdIoctl.stmf_version = STMF_VERSION_1;
+	sbdIoctl.stmf_ibuf_size = sbdGlobalProps->mlu_struct_size;
+	sbdIoctl.stmf_ibuf = (uint64_t)(unsigned long)sbdGlobalProps;
+
+	ioctlRet = ioctl(fd, SBD_IOCTL_SET_GLOBAL_LU, &sbdIoctl);
+	if (ioctlRet != 0) {
+		savedErrno = errno;
+		switch (savedErrno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				diskError(sbdIoctl.stmf_error, &ret);
+				if (ret == STMF_STATUS_ERROR) {
+					syslog(LOG_DEBUG,
+					"modifyDiskLu:ioctl "
+					"error(%d) (%d) (%d)", ioctlRet,
+					    sbdIoctl.stmf_error, savedErrno);
+				}
+				break;
+		}
+	}
+
+done:
+	free(sbdGlobalProps);
+	(void) close(fd);
+	return (ret);
+}
+
+
+/*
+ * stmfSetLuProp
+ *
+ * Purpose: set a property on an luResource
+ *
+ * hdl - allocated luResource
+ * prop - property identifier
+ * propVal - property value to be set
+ */
+int
+stmfSetLuProp(luResource hdl, uint32_t prop, const char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	luResourceImpl *luPropsHdl = hdl;
+	if (hdl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (luPropsHdl->type == STMF_DISK) {
+		ret = setDiskProp(luPropsHdl, prop, propVal);
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	return (ret);
+}
+
+/*
+ * getDiskProp
+ *
+ * Purpose: retrieve a given property from a logical unit resource of type disk
+ *
+ * hdl - allocated luResourceImpl
+ * prop - property identifier
+ * propVal - pointer to character to contain the retrieved property value
+ * propLen - On input this is the length of propVal. On failure, it contains the
+ *           number of bytes required for propVal
+ */
+static int
+getDiskProp(luResourceImpl *hdl, uint32_t prop, char *propVal, size_t *propLen)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	diskResource *diskLu = hdl->resource;
+	char accessState[20];
+	size_t reqLen;
+
+	if (prop == STMF_LU_PROP_ACCESS_STATE) {
+		if (diskLu->accessState == SBD_LU_ACTIVE) {
+			(void) strlcpy(accessState, STMF_ACCESS_ACTIVE,
+			    sizeof (accessState));
+		} else if (diskLu->accessState == SBD_LU_TRANSITION_TO_ACTIVE) {
+			(void) strlcpy(accessState,
+			    STMF_ACCESS_STANDBY_TO_ACTIVE,
+			    sizeof (accessState));
+		} else if (diskLu->accessState == SBD_LU_STANDBY) {
+			(void) strlcpy(accessState, STMF_ACCESS_STANDBY,
+			    sizeof (accessState));
+		} else if (diskLu->accessState ==
+		    SBD_LU_TRANSITION_TO_STANDBY) {
+			(void) strlcpy(accessState,
+			    STMF_ACCESS_ACTIVE_TO_STANDBY,
+			    sizeof (accessState));
+		}
+		if ((reqLen = strlcpy(propVal, accessState,
+		    *propLen)) >= *propLen) {
+			*propLen = reqLen + 1;
+			return (STMF_ERROR_INVALID_ARG);
+		}
+		return (0);
+	}
+
+	if (diskLu->accessState != SBD_LU_ACTIVE) {
+		return (STMF_ERROR_NO_PROP_STANDBY);
+	}
+
+	switch (prop) {
+		case STMF_LU_PROP_BLOCK_SIZE:
+			if (diskLu->blkSizeValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			reqLen = snprintf(propVal, *propLen, "%llu",
+			    (u_longlong_t)diskLu->blkSize);
+			if (reqLen >= *propLen) {
+				*propLen = reqLen + 1;
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			break;
+		case STMF_LU_PROP_FILENAME:
+			if (diskLu->luDataFileNameValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if ((reqLen = strlcpy(propVal, diskLu->luDataFileName,
+			    *propLen)) >= *propLen) {
+				*propLen = reqLen + 1;
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			break;
+		case STMF_LU_PROP_META_FILENAME:
+			if (diskLu->luMetaFileNameValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if ((reqLen = strlcpy(propVal, diskLu->luMetaFileName,
+			    *propLen)) >= *propLen) {
+				*propLen = reqLen + 1;
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			break;
+		case STMF_LU_PROP_MGMT_URL:
+			if (diskLu->luMgmtUrlValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if ((reqLen = strlcpy(propVal, diskLu->luMgmtUrl,
+			    *propLen)) >= *propLen) {
+				*propLen = reqLen + 1;
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			break;
+		case STMF_LU_PROP_GUID:
+			if (diskLu->luGuidValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			reqLen = snprintf(propVal, *propLen,
+			    "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X"
+			    "%02X%02X%02X%02X",
+			    diskLu->luGuid[0], diskLu->luGuid[1],
+			    diskLu->luGuid[2], diskLu->luGuid[3],
+			    diskLu->luGuid[4], diskLu->luGuid[5],
+			    diskLu->luGuid[6], diskLu->luGuid[7],
+			    diskLu->luGuid[8], diskLu->luGuid[9],
+			    diskLu->luGuid[10], diskLu->luGuid[11],
+			    diskLu->luGuid[12], diskLu->luGuid[13],
+			    diskLu->luGuid[14], diskLu->luGuid[15]);
+			if (reqLen >= *propLen) {
+				*propLen = reqLen + 1;
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			break;
+		case STMF_LU_PROP_SERIAL_NUM:
+			if (diskLu->serialNumValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if ((reqLen = strlcpy(propVal, diskLu->serialNum,
+			    *propLen)) >= *propLen) {
+				*propLen = reqLen + 1;
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			break;
+		case STMF_LU_PROP_SIZE:
+			if (diskLu->luSizeValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			(void) snprintf(propVal, *propLen, "%llu",
+			    (u_longlong_t)diskLu->luSize);
+			break;
+		case STMF_LU_PROP_ALIAS:
+			if (diskLu->luAliasValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if ((reqLen = strlcpy(propVal, diskLu->luAlias,
+			    *propLen)) >= *propLen) {
+				*propLen = reqLen + 1;
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			break;
+		case STMF_LU_PROP_VID:
+			if (diskLu->vidValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if (*propLen <= sizeof (diskLu->vid)) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			bcopy(diskLu->vid, propVal, sizeof (diskLu->vid));
+			propVal[sizeof (diskLu->vid)] = 0;
+			break;
+		case STMF_LU_PROP_PID:
+			if (diskLu->pidValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if (*propLen <= sizeof (diskLu->pid)) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			bcopy(diskLu->pid, propVal, sizeof (diskLu->pid));
+			propVal[sizeof (diskLu->pid)] = 0;
+			break;
+		case STMF_LU_PROP_WRITE_PROTECT:
+			if (diskLu->writeProtectEnableValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if (diskLu->writeProtectEnable) {
+				if ((reqLen = strlcpy(propVal, "true",
+				    *propLen)) >= *propLen) {
+					*propLen = reqLen + 1;
+					return (STMF_ERROR_INVALID_ARG);
+				}
+			} else {
+				if ((reqLen = strlcpy(propVal, "false",
+				    *propLen)) >= *propLen) {
+					*propLen = reqLen + 1;
+					return (STMF_ERROR_INVALID_ARG);
+				}
+			}
+			break;
+		case STMF_LU_PROP_WRITE_CACHE_DISABLE:
+			if (diskLu->writebackCacheDisableValid == B_FALSE) {
+				return (STMF_ERROR_NO_PROP);
+			}
+			if (diskLu->writebackCacheDisable) {
+				if ((reqLen = strlcpy(propVal, "true",
+				    *propLen)) >= *propLen) {
+					*propLen = reqLen + 1;
+					return (STMF_ERROR_INVALID_ARG);
+				}
+			} else {
+				if ((reqLen = strlcpy(propVal, "false",
+				    *propLen)) >= *propLen) {
+					*propLen = reqLen + 1;
+					return (STMF_ERROR_INVALID_ARG);
+				}
+			}
+			break;
+		default:
+			ret = STMF_ERROR_INVALID_PROP;
+			break;
+	}
+
+	return (ret);
+}
+
+/*
+ * setDiskProp
+ *
+ * Purpose: set properties for resource of type disk
+ *
+ * hdl - allocated luResourceImpl
+ * resourceProp - valid resource identifier
+ * propVal - valid resource value
+ */
+static int
+setDiskProp(luResourceImpl *hdl, uint32_t resourceProp, const char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int i;
+	diskResource *diskLu = hdl->resource;
+	unsigned long long numericProp = 0;
+	char guidProp[LU_ASCII_GUID_SIZE + 1];
+	char ouiProp[OUI_ASCII_SIZE + 1];
+	char hostIdProp[HOST_ID_ASCII_SIZE + 1];
+	unsigned int oui[OUI_SIZE];
+	unsigned int hostId[HOST_ID_SIZE];
+	unsigned int guid[LU_GUID_SIZE];
+	int propSize;
+
+
+	if (propVal == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	switch (resourceProp) {
+		case STMF_LU_PROP_ALIAS:
+			if (strlcpy(diskLu->luAlias, propVal,
+			    sizeof (diskLu->luAlias)) >=
+			    sizeof (diskLu->luAlias)) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			diskLu->luAliasValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_BLOCK_SIZE: {
+			const char *tmp = propVal;
+			while (*tmp) {
+				if (!isdigit(*tmp++)) {
+					return (STMF_ERROR_INVALID_ARG);
+				}
+			}
+			(void) sscanf(propVal, "%llu", &numericProp);
+			if (numericProp > UINT16_MAX) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			diskLu->blkSize = numericProp;
+			diskLu->blkSizeValid = B_TRUE;
+			break;
+		}
+		case STMF_LU_PROP_COMPANY_ID:
+			if ((strlcpy(ouiProp, propVal, sizeof (ouiProp))) >=
+			    sizeof (ouiProp)) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			if (checkHexUpper(ouiProp) != 0) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			(void) sscanf(ouiProp, "%2X%2X%2X",
+			    &oui[0], &oui[1], &oui[2]);
+
+			diskLu->companyId = 0;
+			diskLu->companyId += oui[0] << 16;
+			diskLu->companyId += oui[1] << 8;
+			diskLu->companyId += oui[2];
+			if (diskLu->companyId == 0) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			diskLu->companyIdValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_HOST_ID:
+			if ((strlcpy(hostIdProp, propVal,
+			    sizeof (hostIdProp))) >= sizeof (hostIdProp)) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			if (checkHexUpper(hostIdProp) != 0) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			(void) sscanf(hostIdProp, "%2X%2X%2X%2X",
+			    &hostId[0], &hostId[1], &hostId[2], &hostId[3]);
+
+			diskLu->hostId = 0;
+			diskLu->hostId += hostId[0] << 24;
+			diskLu->hostId += hostId[1] << 16;
+			diskLu->hostId += hostId[2] << 8;
+			diskLu->hostId += hostId[3];
+			if (diskLu->hostId == 0) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			diskLu->hostIdValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_GUID:
+			if (strlen(propVal) != LU_ASCII_GUID_SIZE) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+
+			if ((strlcpy(guidProp, propVal, sizeof (guidProp))) >=
+			    sizeof (guidProp)) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+
+			if (checkHexUpper(guidProp) != 0) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+
+			(void) sscanf(guidProp,
+			    "%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X%2X",
+			    &guid[0], &guid[1], &guid[2], &guid[3], &guid[4],
+			    &guid[5], &guid[6], &guid[7], &guid[8], &guid[9],
+			    &guid[10], &guid[11], &guid[12], &guid[13],
+			    &guid[14], &guid[15]);
+			for (i = 0; i < sizeof (diskLu->luGuid); i++) {
+				diskLu->luGuid[i] = guid[i];
+			}
+			diskLu->luGuidValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_FILENAME:
+			if ((strlcpy(diskLu->luDataFileName, propVal,
+			    sizeof (diskLu->luDataFileName))) >=
+			    sizeof (diskLu->luDataFileName)) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			diskLu->luDataFileNameValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_META_FILENAME:
+			if ((strlcpy(diskLu->luMetaFileName, propVal,
+			    sizeof (diskLu->luMetaFileName))) >=
+			    sizeof (diskLu->luMetaFileName)) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			diskLu->luMetaFileNameValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_MGMT_URL:
+			if ((strlcpy(diskLu->luMgmtUrl, propVal,
+			    sizeof (diskLu->luMgmtUrl))) >=
+			    sizeof (diskLu->luMgmtUrl)) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			diskLu->luMgmtUrlValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_PID:
+			if ((propSize = strlen(propVal)) >
+			    sizeof (diskLu->pid)) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			(void) strncpy(diskLu->pid, propVal, propSize);
+			diskLu->pidValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_SERIAL_NUM:
+			if ((propSize = strlen(propVal)) >
+			    (sizeof (diskLu->serialNum) - 1)) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			(void) strncpy(diskLu->serialNum, propVal, propSize);
+			diskLu->serialNumValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_SIZE:
+			if ((niceStrToNum(propVal, &diskLu->luSize) != 0)) {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			diskLu->luSizeValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_VID:
+			if ((propSize = strlen(propVal)) >
+			    sizeof (diskLu->vid)) {
+				return (STMF_ERROR_INVALID_PROPSIZE);
+			}
+			(void) strncpy(diskLu->vid, propVal, propSize);
+			diskLu->vidValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_WRITE_PROTECT:
+			if (strcasecmp(propVal, "TRUE") == 0) {
+				diskLu->writeProtectEnable = B_TRUE;
+			} else if (strcasecmp(propVal, "FALSE") == 0) {
+				diskLu->writeProtectEnable = B_FALSE;
+			} else {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			diskLu->writeProtectEnableValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_WRITE_CACHE_DISABLE:
+			if (strcasecmp(propVal, "TRUE") == 0) {
+				diskLu->writebackCacheDisable = B_TRUE;
+			} else if (strcasecmp(propVal, "FALSE") == 0) {
+				diskLu->writebackCacheDisable = B_FALSE;
+			} else {
+				return (STMF_ERROR_INVALID_ARG);
+			}
+			diskLu->writebackCacheDisableValid = B_TRUE;
+			break;
+		case STMF_LU_PROP_ACCESS_STATE:
+			ret = STMF_ERROR_INVALID_PROP;
+			break;
+		default:
+			ret = STMF_ERROR_INVALID_PROP;
+			break;
+	}
+	return (ret);
+}
+
+static int
+checkHexUpper(char *buf)
+{
+	int i;
+
+	for (i = 0; i < strlen(buf); i++) {
+		if (isxdigit(buf[i])) {
+			buf[i] = toupper(buf[i]);
+			continue;
+		}
+		return (-1);
+	}
+
+	return (0);
+}
+
+/*
+ * Given a numeric suffix, convert the value into a number of bits that the
+ * resulting value must be shifted.
+ * Code lifted from libzfs_util.c
+ */
+static int
+strToShift(const char *buf)
+{
+	const char *ends = "BKMGTPE";
+	int i;
+
+	if (buf[0] == '\0')
+		return (0);
+
+	for (i = 0; i < strlen(ends); i++) {
+		if (toupper(buf[0]) == ends[i])
+			return (10*i);
+	}
+
+	return (-1);
+}
+
+int
+stmfFreeLuResource(luResource hdl)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	if (hdl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	luResourceImpl *hdlImpl = hdl;
+	free(hdlImpl->resource);
+	free(hdlImpl);
+	return (ret);
+}
+
+/*
+ * Convert a string of the form '100G' into a real number. Used when setting
+ * the size of a logical unit.
+ * Code lifted from libzfs_util.c
+ */
+static int
+niceStrToNum(const char *value, uint64_t *num)
+{
+	char *end;
+	int shift;
+
+	*num = 0;
+
+	/* Check to see if this looks like a number.  */
+	if ((value[0] < '0' || value[0] > '9') && value[0] != '.') {
+		return (-1);
+	}
+
+	/* Rely on stroull() to process the numeric portion.  */
+	errno = 0;
+	*num = strtoull(value, &end, 10);
+
+	/*
+	 * Check for ERANGE, which indicates that the value is too large to fit
+	 * in a 64-bit value.
+	 */
+	if (errno == ERANGE) {
+		return (-1);
+	}
+
+	/*
+	 * If we have a decimal value, then do the computation with floating
+	 * point arithmetic.  Otherwise, use standard arithmetic.
+	 */
+	if (*end == '.') {
+		double fval = strtod(value, &end);
+
+		if ((shift = strToShift(end)) == -1) {
+			return (-1);
+		}
+
+		fval *= pow(2, shift);
+
+		if (fval > UINT64_MAX) {
+			return (-1);
+		}
+
+		*num = (uint64_t)fval;
+	} else {
+		if ((shift = strToShift(end)) == -1) {
+			return (-1);
+		}
+
+		/* Check for overflow */
+		if (shift >= 64 || (*num << shift) >> shift != *num) {
+			return (-1);
+		}
+
+		*num <<= shift;
+	}
+
+	return (0);
+}
+
+/*
+ * stmfCreateTargetGroup
+ *
+ * Purpose: Create a local port group
+ *
+ * targetGroupName - name of local port group to create
+ */
+int
+stmfCreateTargetGroup(stmfGroupName *targetGroupName)
+{
+	int ret;
+	int fd;
+
+	if (targetGroupName == NULL ||
+	    (strnlen((char *)targetGroupName, sizeof (stmfGroupName))
+	    == sizeof (stmfGroupName))) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check to ensure service exists */
+	if (psCheckService() != STMF_STATUS_SUCCESS) {
+		return (STMF_ERROR_SERVICE_NOT_FOUND);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Add the group to the driver
+	 */
+	if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_TARGET_GROUP,
+	    targetGroupName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	/*
+	 * If the add to the driver was successful, add it to the persistent
+	 * store.
+	 */
+	ret = psCreateTargetGroup((char *)targetGroupName);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_EXISTS:
+			ret = STMF_ERROR_EXISTS;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfCreateTargetGroup:psCreateTargetGroup"
+			    ":error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfDeleteHostGroup
+ *
+ * Purpose: Delete an initiator or local port group
+ *
+ * hostGroupName - group to delete
+ */
+int
+stmfDeleteHostGroup(stmfGroupName *hostGroupName)
+{
+	int ret;
+	int fd;
+
+	if (hostGroupName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check to ensure service exists */
+	if (psCheckService() != STMF_STATUS_SUCCESS) {
+		return (STMF_ERROR_SERVICE_NOT_FOUND);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Remove the group from the driver
+	 */
+	if ((ret = groupIoctl(fd, STMF_IOCTL_REMOVE_HOST_GROUP,
+	    hostGroupName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	/*
+	 * If the remove from the driver was successful, remove it from the
+	 * persistent store.
+	 */
+	ret = psDeleteHostGroup((char *)hostGroupName);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfDeleteHostGroup:psDeleteHostGroup:error(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfDeleteTargetGroup
+ *
+ * Purpose: Delete an initiator or local port group
+ *
+ * targetGroupName - group to delete
+ */
+int
+stmfDeleteTargetGroup(stmfGroupName *targetGroupName)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+
+	if (targetGroupName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* Check to ensure service exists */
+	if (psCheckService() != STMF_STATUS_SUCCESS) {
+		return (STMF_ERROR_SERVICE_NOT_FOUND);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Remove the group from the driver
+	 */
+	if ((ret = groupIoctl(fd, STMF_IOCTL_REMOVE_TARGET_GROUP,
+	    targetGroupName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	/*
+	 * If the remove from the driver was successful, remove it from the
+	 * persistent store.
+	 */
+	ret = psDeleteTargetGroup((char *)targetGroupName);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfDeleteTargetGroup:psDeleteTargetGroup"
+			    ":error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfDevidFromIscsiName
+ *
+ * Purpose: convert an iSCSI name to an stmf devid
+ *
+ * iscsiName - unicode nul terminated utf-8 encoded iSCSI name
+ * devid - on success, contains the converted iscsi name
+ */
+int
+stmfDevidFromIscsiName(char *iscsiName, stmfDevid *devid)
+{
+	if (devid == NULL || iscsiName == NULL)
+		return (STMF_ERROR_INVALID_ARG);
+
+	bzero(devid, sizeof (stmfDevid));
+
+	/* Validate size of target */
+	if ((devid->identLength = strlen(iscsiName)) > MAX_ISCSI_NAME ||
+	    devid->identLength < strlen(EUI) ||
+	    devid->identLength < strlen(IQN)) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if ((strncmp(iscsiName, EUI, strlen(EUI)) != 0) &&
+	    strncmp(iscsiName, IQN, strlen(IQN)) != 0) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* copy UTF-8 bytes to ident */
+	bcopy(iscsiName, devid->ident, devid->identLength);
+
+	return (STMF_STATUS_SUCCESS);
+}
+
+/*
+ * stmfDevidFromWwn
+ *
+ * Purpose: convert a WWN to an stmf devid
+ *
+ * wwn - 8-byte wwn identifier
+ * devid - on success, contains the converted wwn
+ */
+int
+stmfDevidFromWwn(uchar_t *wwn, stmfDevid *devid)
+{
+	if (wwn == NULL || devid == NULL)
+		return (STMF_ERROR_INVALID_ARG);
+
+	bzero(devid, sizeof (stmfDevid));
+
+	/* Copy eui prefix */
+	(void) bcopy(WWN, devid->ident, strlen(WWN));
+
+	/* Convert to ASCII uppercase hexadecimal string */
+	(void) snprintf((char *)&devid->ident[strlen(WWN)],
+	    sizeof (devid->ident), "%02X%02X%02X%02X%02X%02X%02X%02X",
+	    wwn[0], wwn[1], wwn[2], wwn[3], wwn[4], wwn[5], wwn[6], wwn[7]);
+
+	devid->identLength = strlen((char *)devid->ident);
+
+	return (STMF_STATUS_SUCCESS);
+}
+
+/*
+ * stmfFreeMemory
+ *
+ * Purpose: Free memory allocated by this library
+ *
+ * memory - previously allocated pointer of memory managed by library
+ */
+void
+stmfFreeMemory(void *memory)
+{
+	free(memory);
+}
+
+/*
+ * get host group, target group list from stmf
+ *
+ * groupType - HOST_GROUP, TARGET_GROUP
+ */
+static int
+groupListIoctl(stmfGroupList **groupList, int groupType)
+{
+	int ret;
+	int fd;
+	int ioctlRet;
+	int i;
+	int cmd;
+	stmf_iocdata_t stmfIoctl;
+	/* framework group list */
+	stmf_group_name_t *iGroupList = NULL;
+	uint32_t groupListSize;
+
+	if (groupList == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (groupType == HOST_GROUP) {
+		cmd = STMF_IOCTL_GET_HG_LIST;
+	} else if (groupType == TARGET_GROUP) {
+		cmd = STMF_IOCTL_GET_TG_LIST;
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Allocate ioctl input buffer
+	 */
+	groupListSize = ALLOC_GROUP;
+	groupListSize = groupListSize * (sizeof (stmf_group_name_t));
+	iGroupList = (stmf_group_name_t *)calloc(1, groupListSize);
+	if (iGroupList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to get the group list
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_obuf_size = groupListSize;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupList;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "groupListIoctl:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+	/*
+	 * Check whether input buffer was large enough
+	 */
+	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_GROUP) {
+		groupListSize = stmfIoctl.stmf_obuf_max_nentries *
+		    sizeof (stmf_group_name_t);
+		iGroupList = realloc(iGroupList, groupListSize);
+		if (iGroupList == NULL) {
+			ret = STMF_ERROR_NOMEM;
+			goto done;
+		}
+		stmfIoctl.stmf_obuf_size = groupListSize;
+		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupList;
+		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+		if (ioctlRet != 0) {
+			switch (errno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "groupListIoctl:ioctl errno(%d)",
+					    errno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+			goto done;
+		}
+	}
+
+	/* allocate and copy to caller's buffer */
+	*groupList = (stmfGroupList *)calloc(1, sizeof (stmfGroupList) +
+	    sizeof (stmfGroupName) * stmfIoctl.stmf_obuf_nentries);
+	if (*groupList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+	(*groupList)->cnt = stmfIoctl.stmf_obuf_nentries;
+	for (i = 0; i < stmfIoctl.stmf_obuf_nentries; i++) {
+		bcopy(iGroupList[i].name, (*groupList)->name[i],
+		    sizeof (stmfGroupName));
+	}
+
+done:
+	free(iGroupList);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * get host group members, target group members from stmf
+ *
+ * groupProps - allocated on success
+ *
+ * groupType - HOST_GROUP, TARGET_GROUP
+ */
+static int
+groupMemberListIoctl(stmfGroupName *groupName, stmfGroupProperties **groupProps,
+    int groupType)
+{
+	int ret;
+	int fd;
+	int ioctlRet;
+	int i;
+	int cmd;
+	stmf_iocdata_t stmfIoctl;
+	/* framework group list */
+	stmf_group_name_t iGroupName;
+	stmf_ge_ident_t *iGroupMembers;
+	uint32_t groupListSize;
+
+	if (groupName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (groupType == HOST_GROUP) {
+		cmd = STMF_IOCTL_GET_HG_ENTRIES;
+	} else if (groupType == TARGET_GROUP) {
+		cmd = STMF_IOCTL_GET_TG_ENTRIES;
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	bzero(&iGroupName, sizeof (iGroupName));
+
+	bcopy(groupName, &iGroupName.name, strlen((char *)groupName));
+
+	iGroupName.name_size = strlen((char *)groupName);
+
+	/*
+	 * Allocate ioctl input buffer
+	 */
+	groupListSize = ALLOC_GRP_MEMBER;
+	groupListSize = groupListSize * (sizeof (stmf_ge_ident_t));
+	iGroupMembers = (stmf_ge_ident_t *)calloc(1, groupListSize);
+	if (iGroupMembers == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to get the group list
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&iGroupName;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmf_group_name_t);
+	stmfIoctl.stmf_obuf_size = groupListSize;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupMembers;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "groupListIoctl:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+	/*
+	 * Check whether input buffer was large enough
+	 */
+	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_GRP_MEMBER) {
+		groupListSize = stmfIoctl.stmf_obuf_max_nentries *
+		    sizeof (stmf_ge_ident_t);
+		iGroupMembers = realloc(iGroupMembers, groupListSize);
+		if (iGroupMembers == NULL) {
+			ret = STMF_ERROR_NOMEM;
+			goto done;
+		}
+		stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&iGroupName;
+		stmfIoctl.stmf_ibuf_size = sizeof (stmf_group_name_t);
+		stmfIoctl.stmf_obuf_size = groupListSize;
+		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)iGroupMembers;
+		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+		if (ioctlRet != 0) {
+			switch (errno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "groupListIoctl:ioctl errno(%d)",
+					    errno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+			goto done;
+		}
+	}
+
+	/* allocate and copy to caller's buffer */
+	*groupProps = (stmfGroupProperties *)calloc(1,
+	    sizeof (stmfGroupProperties) +
+	    sizeof (stmfDevid) * stmfIoctl.stmf_obuf_nentries);
+	if (*groupProps == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+	(*groupProps)->cnt = stmfIoctl.stmf_obuf_nentries;
+	for (i = 0; i < stmfIoctl.stmf_obuf_nentries; i++) {
+		(*groupProps)->name[i].identLength =
+		    iGroupMembers[i].ident_size;
+		bcopy(iGroupMembers[i].ident, (*groupProps)->name[i].ident,
+		    iGroupMembers[i].ident_size);
+	}
+
+done:
+	free(iGroupMembers);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * Purpose: access persistent config data for host groups and target groups
+ */
+static int
+iLoadGroupFromPs(stmfGroupList **groupList, int type)
+{
+	int ret;
+
+	if (groupList == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (type == HOST_GROUP) {
+		ret = psGetHostGroupList(groupList);
+	} else if (type == TARGET_GROUP) {
+		ret = psGetTargetGroupList(groupList);
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfGetHostGroupList:psGetHostGroupList:error(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfGetHostGroupList
+ *
+ * Purpose: Retrieves the list of initiator group oids
+ *
+ * hostGroupList - pointer to pointer to hostGroupList structure
+ *                 on success, this contains the host group list.
+ */
+int
+stmfGetHostGroupList(stmfGroupList **hostGroupList)
+{
+	int ret = STMF_STATUS_ERROR;
+
+	if (hostGroupList == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	ret = groupListIoctl(hostGroupList, HOST_GROUP);
+	return (ret);
+}
+
+
+/*
+ * Purpose: access persistent config data for host groups and target groups
+ */
+static int
+iLoadGroupMembersFromPs(stmfGroupName *groupName,
+    stmfGroupProperties **groupProp, int type)
+{
+	int ret;
+
+	if (groupName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (type == HOST_GROUP) {
+		ret = psGetHostGroupMemberList((char *)groupName, groupProp);
+	} else if (type == TARGET_GROUP) {
+		ret = psGetTargetGroupMemberList((char *)groupName, groupProp);
+	} else {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "iLoadGroupMembersFromPs:psGetHostGroupList:"
+			    "error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfGetHostGroupMembers
+ *
+ * Purpose: Retrieves the group properties for a host group
+ *
+ * groupName - name of group for which to retrieve host group members.
+ * groupProp - pointer to pointer to stmfGroupProperties structure
+ *             on success, this contains the list of group members.
+ */
+int
+stmfGetHostGroupMembers(stmfGroupName *groupName,
+    stmfGroupProperties **groupProp)
+{
+	int ret;
+
+	if (groupName == NULL || groupProp == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	ret = groupMemberListIoctl(groupName, groupProp, HOST_GROUP);
+
+	return (ret);
+}
+
+/*
+ * stmfGetProviderData
+ *
+ * Purpose: Get provider data list
+ *
+ * providerName - name of provider for which to retrieve the data
+ * nvl - pointer to nvlist_t pointer which will contain the nvlist data
+ *       retrieved.
+ * providerType - type of provider for which to retrieve data.
+ *		    STMF_LU_PROVIDER_TYPE
+ *		    STMF_PORT_PROVIDER_TYPE
+ */
+int
+stmfGetProviderData(char *providerName, nvlist_t **nvl, int providerType)
+{
+	return (stmfGetProviderDataProt(providerName, nvl, providerType,
+	    NULL));
+}
+
+/*
+ * stmfGetProviderDataProt
+ *
+ * Purpose: Get provider data list with token
+ *
+ * providerName - name of provider for which to retrieve the data
+ * nvl - pointer to nvlist_t pointer which will contain the nvlist data
+ *       retrieved.
+ * providerType - type of provider for which to retrieve data.
+ *		    STMF_LU_PROVIDER_TYPE
+ *		    STMF_PORT_PROVIDER_TYPE
+ * setToken - Returns the stale data token
+ */
+int
+stmfGetProviderDataProt(char *providerName, nvlist_t **nvl, int providerType,
+    uint64_t *setToken)
+{
+	int ret;
+
+	if (providerName == NULL || nvl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	if (providerType != STMF_LU_PROVIDER_TYPE &&
+	    providerType != STMF_PORT_PROVIDER_TYPE) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+	return (getProviderData(providerName, nvl, providerType, setToken));
+}
+
+/*
+ * stmfGetProviderDataList
+ *
+ * Purpose: Get the list of providers currently persisting data
+ *
+ * providerList - pointer to pointer to an stmfProviderList structure allocated
+ *                by the caller. Will contain the list of providers on success.
+ */
+int
+stmfGetProviderDataList(stmfProviderList **providerList)
+{
+	int ret;
+
+	ret = psGetProviderDataList(providerList);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfGetProviderDataList:psGetProviderDataList"
+			    ":error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+	return (ret);
+}
+
+
+/*
+ * stmfGetSessionList
+ *
+ * Purpose: Retrieves the session list for a target (devid)
+ *
+ * devid - devid of target for which to retrieve session information.
+ * sessionList - pointer to pointer to stmfSessionList structure
+ *             on success, this contains the list of initiator sessions.
+ */
+int
+stmfGetSessionList(stmfDevid *devid, stmfSessionList **sessionList)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	int ioctlRet;
+	int cmd = STMF_IOCTL_SESSION_LIST;
+	int i;
+	stmf_iocdata_t stmfIoctl;
+	slist_scsi_session_t *fSessionList, *fSessionListP = NULL;
+	uint8_t ident[260];
+	uint32_t fSessionListSize;
+
+	if (sessionList == NULL || devid == NULL) {
+		ret = STMF_ERROR_INVALID_ARG;
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Allocate ioctl input buffer
+	 */
+	fSessionListSize = ALLOC_SESSION;
+	fSessionListSize = fSessionListSize * (sizeof (slist_scsi_session_t));
+	fSessionList = (slist_scsi_session_t *)calloc(1, fSessionListSize);
+	fSessionListP = fSessionList;
+	if (fSessionList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	ident[IDENT_LENGTH_BYTE] = devid->identLength;
+	bcopy(&(devid->ident), &ident[IDENT_LENGTH_BYTE + 1],
+	    devid->identLength);
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to get the session list
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ident;
+	stmfIoctl.stmf_ibuf_size = sizeof (ident);
+	stmfIoctl.stmf_obuf_size = fSessionListSize;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fSessionList;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfGetSessionList:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+	/*
+	 * Check whether input buffer was large enough
+	 */
+	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_SESSION) {
+		fSessionListSize = stmfIoctl.stmf_obuf_max_nentries *
+		    sizeof (slist_scsi_session_t);
+		fSessionList = realloc(fSessionList, fSessionListSize);
+		if (fSessionList == NULL) {
+			ret = STMF_ERROR_NOMEM;
+			goto done;
+		}
+		fSessionListP = fSessionList;
+		stmfIoctl.stmf_obuf_size = fSessionListSize;
+		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fSessionList;
+		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+		if (ioctlRet != 0) {
+			switch (errno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "stmfGetSessionList:ioctl "
+					    "errno(%d)", errno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+			goto done;
+		}
+	}
+
+	/*
+	 * allocate caller's buffer with the final size
+	 */
+	*sessionList = (stmfSessionList *)calloc(1, sizeof (stmfSessionList) +
+	    stmfIoctl.stmf_obuf_max_nentries * sizeof (stmfSession));
+	if (*sessionList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		free(sessionList);
+		goto done;
+	}
+
+	(*sessionList)->cnt = stmfIoctl.stmf_obuf_max_nentries;
+
+	/*
+	 * copy session info to caller's buffer
+	 */
+	for (i = 0; i < (*sessionList)->cnt; i++) {
+		(*sessionList)->session[i].initiator.identLength =
+		    fSessionList->initiator[IDENT_LENGTH_BYTE];
+		bcopy(&(fSessionList->initiator[IDENT_LENGTH_BYTE + 1]),
+		    (*sessionList)->session[i].initiator.ident,
+		    STMF_IDENT_LENGTH);
+		bcopy(&(fSessionList->alias),
+		    &((*sessionList)->session[i].alias),
+		    sizeof ((*sessionList)->session[i].alias));
+		bcopy(&(fSessionList++->creation_time),
+		    &((*sessionList)->session[i].creationTime),
+		    sizeof (time_t));
+	}
+done:
+	(void) close(fd);
+	free(fSessionListP);
+	return (ret);
+}
+
+/*
+ * stmfGetTargetGroupList
+ *
+ * Purpose: Retrieves the list of target groups
+ *
+ * targetGroupList - pointer to a pointer to an stmfGroupList structure. On
+ *		     success, it contains the list of target groups.
+ */
+int
+stmfGetTargetGroupList(stmfGroupList **targetGroupList)
+{
+	int ret;
+
+	if (targetGroupList == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	ret = groupListIoctl(targetGroupList, TARGET_GROUP);
+	return (ret);
+}
+
+/*
+ * stmfGetTargetGroupMembers
+ *
+ * Purpose: Retrieves the group members for a target group
+ *
+ * groupName - name of target group for which to retrieve members.
+ * groupProp - pointer to pointer to stmfGroupProperties structure
+ *             on success, this contains the list of group members.
+ */
+int
+stmfGetTargetGroupMembers(stmfGroupName *groupName,
+    stmfGroupProperties **groupProp)
+{
+	int ret;
+
+	if (groupName == NULL || groupProp == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	ret = groupMemberListIoctl(groupName, groupProp, TARGET_GROUP);
+
+	return (ret);
+}
+
+/*
+ * stmfGetTargetList
+ *
+ * Purpose: Retrieves the list of target ports
+ *
+ * targetList - pointer to a pointer to an stmfDevidList structure.
+ *		    On success, it contains the list of local ports (target).
+ */
+int
+stmfGetTargetList(stmfDevidList **targetList)
+{
+	int ret;
+	int fd;
+	int ioctlRet;
+	int i;
+	stmf_iocdata_t stmfIoctl;
+	/* framework target port list */
+	slist_target_port_t *fTargetList, *fTargetListP = NULL;
+	uint32_t fTargetListSize;
+
+	if (targetList == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Allocate ioctl input buffer
+	 */
+	fTargetListSize = ALLOC_TARGET_PORT * sizeof (slist_target_port_t);
+	fTargetListP = fTargetList =
+	    (slist_target_port_t *)calloc(1, fTargetListSize);
+	if (fTargetList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to retrieve target list
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_obuf_size = fTargetListSize;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fTargetList;
+	ioctlRet = ioctl(fd, STMF_IOCTL_TARGET_PORT_LIST, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfGetTargetList:ioctl errno(%d)", errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+	/*
+	 * Check whether input buffer was large enough
+	 */
+	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_TARGET_PORT) {
+		fTargetListSize = stmfIoctl.stmf_obuf_max_nentries *
+		    sizeof (slist_target_port_t);
+		fTargetListP = fTargetList =
+		    realloc(fTargetList, fTargetListSize);
+		if (fTargetList == NULL) {
+			ret = STMF_ERROR_NOMEM;
+			goto done;
+		}
+		stmfIoctl.stmf_obuf_size = fTargetListSize;
+		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fTargetList;
+		ioctlRet = ioctl(fd, STMF_IOCTL_TARGET_PORT_LIST,
+		    &stmfIoctl);
+		if (ioctlRet != 0) {
+			switch (errno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "stmfGetTargetList:ioctl errno(%d)",
+					    errno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+			goto done;
+		}
+	}
+
+	*targetList = (stmfDevidList *)calloc(1,
+	    stmfIoctl.stmf_obuf_max_nentries * sizeof (stmfDevid) +
+	    sizeof (stmfDevidList));
+	if (*targetList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	(*targetList)->cnt = stmfIoctl.stmf_obuf_max_nentries;
+	for (i = 0; i < stmfIoctl.stmf_obuf_max_nentries; i++, fTargetList++) {
+		(*targetList)->devid[i].identLength =
+		    fTargetList->target[IDENT_LENGTH_BYTE];
+		bcopy(&fTargetList->target[IDENT_LENGTH_BYTE + 1],
+		    &(*targetList)->devid[i].ident,
+		    fTargetList->target[IDENT_LENGTH_BYTE]);
+	}
+
+done:
+	(void) close(fd);
+	free(fTargetListP);
+	return (ret);
+}
+
+/*
+ * stmfGetTargetProperties
+ *
+ * Purpose:  Retrieves the properties for a logical unit
+ *
+ * devid - devid of the target for which to retrieve properties
+ * targetProps - pointer to an stmfTargetProperties structure.
+ *		On success, it contains the target properties for
+ *		the specified devid.
+ */
+int
+stmfGetTargetProperties(stmfDevid *devid, stmfTargetProperties *targetProps)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl;
+	sioc_target_port_props_t targetProperties;
+	scsi_devid_desc_t *scsiDevid;
+
+	if (devid == NULL || targetProps == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	targetProperties.tgt_id[IDENT_LENGTH_BYTE] = devid->identLength;
+	bcopy(&(devid->ident), &targetProperties.tgt_id[IDENT_LENGTH_BYTE + 1],
+	    devid->identLength);
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to add to the host group
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (targetProperties.tgt_id);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&targetProperties.tgt_id;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&targetProperties;
+	stmfIoctl.stmf_obuf_size = sizeof (targetProperties);
+	ioctlRet = ioctl(fd, STMF_IOCTL_GET_TARGET_PORT_PROPERTIES,
+	    &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case ENOENT:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfGetTargetProperties:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+
+	bcopy(targetProperties.tgt_provider_name, targetProps->providerName,
+	    sizeof (targetProperties.tgt_provider_name));
+	if (targetProperties.tgt_state == STMF_STATE_ONLINE) {
+		targetProps->status = STMF_TARGET_PORT_ONLINE;
+	} else if (targetProperties.tgt_state == STMF_STATE_OFFLINE) {
+		targetProps->status = STMF_TARGET_PORT_OFFLINE;
+	} else if (targetProperties.tgt_state == STMF_STATE_ONLINING) {
+		targetProps->status = STMF_TARGET_PORT_ONLINING;
+	} else if (targetProperties.tgt_state == STMF_STATE_OFFLINING) {
+		targetProps->status = STMF_TARGET_PORT_OFFLINING;
+	}
+	bcopy(targetProperties.tgt_alias, targetProps->alias,
+	    sizeof (targetProps->alias));
+
+	scsiDevid = (scsi_devid_desc_t *)&targetProperties.tgt_id;
+	targetProps->protocol = scsiDevid->protocol_id;
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfGetLogicalUnitList
+ *
+ * Purpose: Retrieves list of logical unit Object IDs
+ *
+ * luList - pointer to a pointer to a stmfGuidList structure. On success,
+ *          it contains the list of logical unit guids.
+ *
+ */
+int
+stmfGetLogicalUnitList(stmfGuidList **luList)
+{
+	int ret;
+	int fd;
+	int ioctlRet;
+	int cmd = STMF_IOCTL_LU_LIST;
+	int i;
+	stmf_iocdata_t stmfIoctl;
+	slist_lu_t *fLuList;
+	uint32_t fLuListSize;
+	uint32_t listCnt;
+
+	if (luList == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Allocate ioctl input buffer
+	 */
+	fLuListSize = ALLOC_LU;
+	fLuListSize = fLuListSize * (sizeof (slist_lu_t));
+	fLuList = (slist_lu_t *)calloc(1, fLuListSize);
+	if (fLuList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to get the LU list
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_obuf_size = fLuListSize;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fLuList;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfGetLogicalUnitList:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+	/*
+	 * Check whether input buffer was large enough
+	 */
+	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_LU) {
+		fLuListSize = stmfIoctl.stmf_obuf_max_nentries *
+		    sizeof (slist_lu_t);
+		free(fLuList);
+		fLuList = (slist_lu_t *)calloc(1, fLuListSize);
+		if (fLuList == NULL) {
+			ret = STMF_ERROR_NOMEM;
+			goto done;
+		}
+		stmfIoctl.stmf_obuf_size = fLuListSize;
+		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fLuList;
+		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+		if (ioctlRet != 0) {
+			switch (errno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "stmfGetLogicalUnitList:"
+					    "ioctl errno(%d)", errno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+			goto done;
+		}
+	}
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	listCnt = stmfIoctl.stmf_obuf_nentries;
+
+	/*
+	 * allocate caller's buffer with the final size
+	 */
+	*luList = (stmfGuidList *)calloc(1, sizeof (stmfGuidList) +
+	    listCnt * sizeof (stmfGuid));
+	if (*luList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	(*luList)->cnt = listCnt;
+
+	/* copy to caller's buffer */
+	for (i = 0; i < listCnt; i++) {
+		bcopy(&fLuList[i].lu_guid, (*luList)->guid[i].guid,
+		    sizeof (stmfGuid));
+	}
+
+	/*
+	 * sort the list. This gives a consistent view across gets
+	 */
+	qsort((void *)&((*luList)->guid[0]), (*luList)->cnt,
+	    sizeof (stmfGuid), guidCompare);
+
+done:
+	(void) close(fd);
+	/*
+	 * free internal buffers
+	 */
+	free(fLuList);
+	return (ret);
+}
+
+/*
+ * stmfGetLogicalUnitProperties
+ *
+ * Purpose:  Retrieves the properties for a logical unit
+ *
+ * lu - guid of the logical unit for which to retrieve properties
+ * stmfLuProps - pointer to an stmfLogicalUnitProperties structure. On success,
+ *               it contains the logical unit properties for the specified guid.
+ */
+int
+stmfGetLogicalUnitProperties(stmfGuid *lu, stmfLogicalUnitProperties *luProps)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int stmfRet;
+	int fd;
+	int ioctlRet;
+	int cmd = STMF_IOCTL_GET_LU_PROPERTIES;
+	stmfViewEntryList *viewEntryList = NULL;
+	stmf_iocdata_t stmfIoctl;
+	sioc_lu_props_t fLuProps;
+
+	if (lu == NULL || luProps == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	bzero(luProps, sizeof (stmfLogicalUnitProperties));
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to add to the host group
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmfGuid);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)lu;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&fLuProps;
+	stmfIoctl.stmf_obuf_size = sizeof (fLuProps);
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case ENOENT:
+				stmfRet = stmfGetViewEntryList(lu,
+				    &viewEntryList);
+				if (stmfRet == STMF_STATUS_SUCCESS) {
+					luProps->status =
+					    STMF_LOGICAL_UNIT_UNREGISTERED;
+					if (viewEntryList->cnt > 0) {
+						ret = STMF_STATUS_SUCCESS;
+					} else {
+						ret = STMF_ERROR_NOT_FOUND;
+					}
+				} else {
+					ret = STMF_ERROR_NOT_FOUND;
+				}
+				stmfFreeMemory(viewEntryList);
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfGetLogicalUnit:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+
+	bcopy(fLuProps.lu_provider_name, luProps->providerName,
+	    sizeof (fLuProps.lu_provider_name));
+	if (fLuProps.lu_state == STMF_STATE_ONLINE) {
+		luProps->status = STMF_LOGICAL_UNIT_ONLINE;
+	} else if (fLuProps.lu_state == STMF_STATE_OFFLINE) {
+		luProps->status = STMF_LOGICAL_UNIT_OFFLINE;
+	} else if (fLuProps.lu_state == STMF_STATE_ONLINING) {
+		luProps->status = STMF_LOGICAL_UNIT_ONLINING;
+	} else if (fLuProps.lu_state == STMF_STATE_OFFLINING) {
+		luProps->status = STMF_LOGICAL_UNIT_OFFLINING;
+	}
+	bcopy(fLuProps.lu_alias, luProps->alias, sizeof (luProps->alias));
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfGetState
+ *
+ * Purpose: retrieve the current state of the stmf module
+ *
+ * state - pointer to stmfState structure allocated by the caller
+ *         On success, contains the state of stmf
+ */
+int
+stmfGetState(stmfState *state)
+{
+	int ret;
+	stmf_state_desc_t iState;
+
+	if (state == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	ret = getStmfState(&iState);
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+	switch (iState.state) {
+		case STMF_STATE_ONLINE:
+			state->operationalState =
+			    STMF_SERVICE_STATE_ONLINE;
+			break;
+		case STMF_STATE_OFFLINE:
+			state->operationalState =
+			    STMF_SERVICE_STATE_OFFLINE;
+			break;
+		case STMF_STATE_ONLINING:
+			state->operationalState =
+			    STMF_SERVICE_STATE_ONLINING;
+			break;
+		case STMF_STATE_OFFLINING:
+			state->operationalState =
+			    STMF_SERVICE_STATE_OFFLINING;
+			break;
+		default:
+			state->operationalState =
+			    STMF_SERVICE_STATE_UNKNOWN;
+			break;
+	}
+	switch (iState.config_state) {
+		case STMF_CONFIG_NONE:
+			state->configState = STMF_CONFIG_STATE_NONE;
+			break;
+		case STMF_CONFIG_INIT:
+			state->configState = STMF_CONFIG_STATE_INIT;
+			break;
+		case STMF_CONFIG_INIT_DONE:
+			state->configState =
+			    STMF_CONFIG_STATE_INIT_DONE;
+			break;
+		default:
+			state->configState =
+			    STMF_CONFIG_STATE_UNKNOWN;
+			break;
+	}
+	return (STMF_STATUS_SUCCESS);
+}
+
+/*
+ * stmfGetViewEntryList
+ *
+ * Purpose: Retrieves the list of view entries for the specified
+ *          logical unit.
+ *
+ * lu - the guid of the logical unit for which to retrieve the view entry list
+ * viewEntryList - a pointer to a pointer to a stmfViewEntryList structure. On
+ *                 success, contains the list of view entries.
+ */
+int
+stmfGetViewEntryList(stmfGuid *lu, stmfViewEntryList **viewEntryList)
+{
+	int ret;
+	int fd;
+	int ioctlRet;
+	int cmd = STMF_IOCTL_LU_VE_LIST;
+	int i;
+	stmf_iocdata_t stmfIoctl;
+	stmf_view_op_entry_t *fVeList;
+	uint32_t fVeListSize;
+	uint32_t listCnt;
+
+	if (lu == NULL || viewEntryList == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Allocate ioctl input buffer
+	 */
+	fVeListSize = ALLOC_VE;
+	fVeListSize = fVeListSize * (sizeof (stmf_view_op_entry_t));
+	fVeList = (stmf_view_op_entry_t *)calloc(1, fVeListSize);
+	if (fVeList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to get the LU list
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)lu;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmfGuid);
+	stmfIoctl.stmf_obuf_size = fVeListSize;
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fVeList;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfGetViewEntryList:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+	/*
+	 * Check whether input buffer was large enough
+	 */
+	if (stmfIoctl.stmf_obuf_max_nentries > ALLOC_VE) {
+		bzero(&stmfIoctl, sizeof (stmfIoctl));
+		fVeListSize = stmfIoctl.stmf_obuf_max_nentries *
+		    sizeof (stmf_view_op_entry_t);
+		free(fVeList);
+		fVeList = (stmf_view_op_entry_t *)calloc(1, fVeListSize);
+		if (fVeList == NULL) {
+			return (STMF_ERROR_NOMEM);
+		}
+		stmfIoctl.stmf_obuf_size = fVeListSize;
+		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)fVeList;
+		ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+		if (ioctlRet != 0) {
+			switch (errno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "stmfGetLogicalUnitList:"
+					    "ioctl errno(%d)", errno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+			goto done;
+		}
+	}
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	listCnt = stmfIoctl.stmf_obuf_nentries;
+
+	/*
+	 * allocate caller's buffer with the final size
+	 */
+	*viewEntryList = (stmfViewEntryList *)calloc(1,
+	    sizeof (stmfViewEntryList) + listCnt * sizeof (stmfViewEntry));
+	if (*viewEntryList == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	(*viewEntryList)->cnt = listCnt;
+
+	/* copy to caller's buffer */
+	for (i = 0; i < listCnt; i++) {
+		(*viewEntryList)->ve[i].veIndexValid = B_TRUE;
+		(*viewEntryList)->ve[i].veIndex = fVeList[i].ve_ndx;
+		if (fVeList[i].ve_all_hosts == 1) {
+			(*viewEntryList)->ve[i].allHosts = B_TRUE;
+		} else {
+			bcopy(fVeList[i].ve_host_group.name,
+			    (*viewEntryList)->ve[i].hostGroup,
+			    fVeList[i].ve_host_group.name_size);
+		}
+		if (fVeList[i].ve_all_targets == 1) {
+			(*viewEntryList)->ve[i].allTargets = B_TRUE;
+		} else {
+			bcopy(fVeList[i].ve_target_group.name,
+			    (*viewEntryList)->ve[i].targetGroup,
+			    fVeList[i].ve_target_group.name_size);
+		}
+		bcopy(fVeList[i].ve_lu_nbr, (*viewEntryList)->ve[i].luNbr,
+		    sizeof ((*viewEntryList)->ve[i].luNbr));
+		(*viewEntryList)->ve[i].luNbrValid = B_TRUE;
+	}
+
+	/*
+	 * sort the list. This gives a consistent view across gets
+	 */
+	qsort((void *)&((*viewEntryList)->ve[0]), (*viewEntryList)->cnt,
+	    sizeof (stmfViewEntry), viewEntryCompare);
+
+done:
+	(void) close(fd);
+	/*
+	 * free internal buffers
+	 */
+	free(fVeList);
+	return (ret);
+}
+
+
+/*
+ * loadHostGroups
+ *
+ * Purpose - issues the ioctl to load the host groups into stmf
+ *
+ * fd - file descriptor for the control node of stmf.
+ * groupList - populated host group list
+ */
+static int
+loadHostGroups(int fd, stmfGroupList *groupList)
+{
+	int i, j;
+	int ret = STMF_STATUS_SUCCESS;
+	stmfGroupProperties *groupProps = NULL;
+
+	for (i = 0; i < groupList->cnt; i++) {
+		if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_HOST_GROUP,
+		    &(groupList->name[i]))) != STMF_STATUS_SUCCESS) {
+			goto out;
+		}
+		ret = iLoadGroupMembersFromPs(&(groupList->name[i]),
+		    &groupProps, HOST_GROUP);
+		for (j = 0; j < groupProps->cnt; j++) {
+			if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_HG_ENTRY,
+			    &(groupList->name[i]), &(groupProps->name[j])))
+			    != STMF_STATUS_SUCCESS) {
+				goto out;
+			}
+		}
+	}
+
+
+out:
+	stmfFreeMemory(groupProps);
+	return (ret);
+}
+
+/*
+ * loadTargetGroups
+ *
+ * Purpose - issues the ioctl to load the target groups into stmf
+ *
+ * fd - file descriptor for the control node of stmf.
+ * groupList - populated target group list.
+ */
+static int
+loadTargetGroups(int fd, stmfGroupList *groupList)
+{
+	int i, j;
+	int ret = STMF_STATUS_SUCCESS;
+	stmfGroupProperties *groupProps = NULL;
+
+	for (i = 0; i < groupList->cnt; i++) {
+		if ((ret = groupIoctl(fd, STMF_IOCTL_CREATE_TARGET_GROUP,
+		    &(groupList->name[i]))) != STMF_STATUS_SUCCESS) {
+			goto out;
+		}
+		ret = iLoadGroupMembersFromPs(&(groupList->name[i]),
+		    &groupProps, TARGET_GROUP);
+		for (j = 0; j < groupProps->cnt; j++) {
+			if ((ret = groupMemberIoctl(fd, STMF_IOCTL_ADD_TG_ENTRY,
+			    &(groupList->name[i]), &(groupProps->name[j])))
+			    != STMF_STATUS_SUCCESS) {
+				goto out;
+			}
+		}
+	}
+
+
+out:
+	stmfFreeMemory(groupProps);
+	return (ret);
+}
+
+
+/*
+ * loadStore
+ *
+ * Purpose: Load the configuration data from the store
+ *
+ * First load the host groups and target groups, then the view entries
+ * and finally the provider data
+ *
+ * fd - file descriptor of control node for stmf.
+ */
+static int
+loadStore(int fd)
+{
+	int ret;
+	int i, j;
+	stmfGroupList *groupList = NULL;
+	stmfGuidList *guidList = NULL;
+	stmfViewEntryList *viewEntryList = NULL;
+	stmfProviderList *providerList = NULL;
+	int providerType;
+	nvlist_t *nvl = NULL;
+
+
+
+	/* load host groups */
+	ret = iLoadGroupFromPs(&groupList, HOST_GROUP);
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+	ret = loadHostGroups(fd, groupList);
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto out;
+	}
+
+	stmfFreeMemory(groupList);
+	groupList = NULL;
+
+	/* load target groups */
+	ret = iLoadGroupFromPs(&groupList, TARGET_GROUP);
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto out;
+	}
+	ret = loadTargetGroups(fd, groupList);
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto out;
+	}
+
+	stmfFreeMemory(groupList);
+	groupList = NULL;
+
+	/* Get the guid list */
+	ret = psGetLogicalUnitList(&guidList);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto out;
+	}
+
+	/*
+	 * We have the guid list, now get the corresponding
+	 * view entries for each guid
+	 */
+	for (i = 0; i < guidList->cnt; i++) {
+		ret = psGetViewEntryList(&guidList->guid[i], &viewEntryList);
+		switch (ret) {
+			case STMF_PS_SUCCESS:
+				ret = STMF_STATUS_SUCCESS;
+				break;
+			case STMF_PS_ERROR_NOT_FOUND:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			case STMF_PS_ERROR_BUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+				ret = STMF_ERROR_SERVICE_NOT_FOUND;
+				break;
+			case STMF_PS_ERROR_VERSION_MISMATCH:
+				ret = STMF_ERROR_SERVICE_DATA_VERSION;
+				break;
+			default:
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		if (ret != STMF_STATUS_SUCCESS) {
+			goto out;
+		}
+		for (j = 0; j < viewEntryList->cnt; j++) {
+			ret = addViewEntryIoctl(fd, &guidList->guid[i],
+			    &viewEntryList->ve[j]);
+			if (ret != STMF_STATUS_SUCCESS) {
+				goto out;
+			}
+		}
+	}
+
+	/* get the list of providers that have data */
+	ret = psGetProviderDataList(&providerList);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto out;
+	}
+
+	for (i = 0; i < providerList->cnt; i++) {
+		providerType = providerList->provider[i].providerType;
+		ret = psGetProviderData(providerList->provider[i].name,
+		    &nvl, providerType, NULL);
+		switch (ret) {
+			case STMF_PS_SUCCESS:
+				ret = STMF_STATUS_SUCCESS;
+				break;
+			case STMF_PS_ERROR_NOT_FOUND:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			case STMF_PS_ERROR_BUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+				ret = STMF_ERROR_SERVICE_NOT_FOUND;
+				break;
+			case STMF_PS_ERROR_VERSION_MISMATCH:
+				ret = STMF_ERROR_SERVICE_DATA_VERSION;
+				break;
+			default:
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		if (ret != STMF_STATUS_SUCCESS) {
+			goto out;
+		}
+
+		/* call setProviderData */
+		ret = setProviderData(fd, providerList->provider[i].name, nvl,
+		    providerType, NULL);
+		switch (ret) {
+			case STMF_PS_SUCCESS:
+				ret = STMF_STATUS_SUCCESS;
+				break;
+			case STMF_PS_ERROR_NOT_FOUND:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			case STMF_PS_ERROR_BUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+				ret = STMF_ERROR_SERVICE_NOT_FOUND;
+				break;
+			case STMF_PS_ERROR_VERSION_MISMATCH:
+				ret = STMF_ERROR_SERVICE_DATA_VERSION;
+				break;
+			default:
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		if (ret != STMF_STATUS_SUCCESS) {
+			goto out;
+		}
+
+		nvlist_free(nvl);
+		nvl = NULL;
+	}
+out:
+	if (groupList != NULL) {
+		free(groupList);
+	}
+	if (guidList != NULL) {
+		free(guidList);
+	}
+	if (viewEntryList != NULL) {
+		free(viewEntryList);
+	}
+	if (nvl != NULL) {
+		nvlist_free(nvl);
+	}
+	return (ret);
+}
+
+/*
+ * stmfGetAluaState
+ *
+ * Purpose - Get the alua state
+ *
+ */
+int
+stmfGetAluaState(boolean_t *enabled, uint32_t *node)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	stmf_iocdata_t stmfIoctl = {0};
+	stmf_alua_state_desc_t alua_state = {0};
+	int ioctlRet;
+
+	if (enabled == NULL || node == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Issue ioctl to get the stmf state
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_obuf_size = sizeof (alua_state);
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&alua_state;
+	ioctlRet = ioctl(fd, STMF_IOCTL_GET_ALUA_STATE, &stmfIoctl);
+
+	(void) close(fd);
+
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "getStmfState:ioctl errno(%d)", errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	} else {
+		if (alua_state.alua_state == 1) {
+			*enabled = B_TRUE;
+		} else {
+			*enabled = B_FALSE;
+		}
+		*node = alua_state.alua_node;
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfSetAluaState
+ *
+ * Purpose - set the alua state to enabled/disabled
+ *
+ */
+int
+stmfSetAluaState(boolean_t enabled, uint32_t node)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	stmf_iocdata_t stmfIoctl = {0};
+	stmf_alua_state_desc_t alua_state = {0};
+	int ioctlRet;
+
+	if ((enabled != B_TRUE && enabled != B_FALSE) || (node > 1)) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (enabled) {
+		alua_state.alua_state = 1;
+	}
+
+	alua_state.alua_node = node;
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Issue ioctl to get the stmf state
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (alua_state);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&alua_state;
+	ioctlRet = ioctl(fd, STMF_IOCTL_SET_ALUA_STATE, &stmfIoctl);
+
+	(void) close(fd);
+
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "getStmfState:ioctl errno(%d)", errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	}
+	if (!enabled && ret == STMF_STATUS_SUCCESS) {
+		deleteNonActiveLus();
+	}
+
+	return (ret);
+}
+
+static void
+deleteNonActiveLus()
+{
+	int stmfRet;
+	int i;
+	stmfGuidList *luList;
+	luResource hdl = NULL;
+	char propVal[10];
+	size_t propValSize = sizeof (propVal);
+
+	stmfRet = stmfGetLogicalUnitList(&luList);
+	if (stmfRet != STMF_STATUS_SUCCESS) {
+		return;
+	}
+
+	for (i = 0; i < luList->cnt; i++) {
+		stmfRet = stmfGetLuResource(&luList->guid[i], &hdl);
+		if (stmfRet != STMF_STATUS_SUCCESS) {
+			goto err;
+		}
+		stmfRet = stmfGetLuProp(hdl, STMF_LU_PROP_ACCESS_STATE, propVal,
+		    &propValSize);
+		if (stmfRet != STMF_STATUS_SUCCESS) {
+			goto err;
+		}
+		if (propVal[0] == '0') {
+			(void) stmfFreeLuResource(hdl);
+			hdl = NULL;
+			continue;
+		}
+		(void) stmfDeleteLu(&luList->guid[i]);
+		(void) stmfFreeLuResource(hdl);
+		hdl = NULL;
+	}
+
+err:
+	stmfFreeMemory(luList);
+	(void) stmfFreeLuResource(hdl);
+}
+
+/*
+ * stmfLoadConfig
+ *
+ * Purpose - load the configuration data from smf into stmf
+ *
+ */
+int
+stmfLoadConfig(void)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	stmf_state_desc_t stmfStateSet;
+	stmfState state;
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		stmfStateSet.state = STMF_STATE_OFFLINE;
+
+		if ((ret = openStmf(OPEN_EXCL_STMF, &fd))
+		    != STMF_STATUS_SUCCESS) {
+			return (ret);
+		}
+		/*
+		 * Configuration not stored persistently; nothing to
+		 * initialize so do not set to STMF_CONFIG_INIT.
+		 */
+		stmfStateSet.config_state = STMF_CONFIG_INIT_DONE;
+		goto done;
+	}
+
+	/* Check to ensure service exists */
+	if (psCheckService() != STMF_STATUS_SUCCESS) {
+		return (STMF_ERROR_SERVICE_NOT_FOUND);
+	}
+
+	ret = stmfGetState(&state);
+	if (ret == STMF_STATUS_SUCCESS) {
+		if (state.operationalState != STMF_SERVICE_STATE_OFFLINE) {
+			return (STMF_ERROR_SERVICE_ONLINE);
+		}
+	} else {
+		return (STMF_STATUS_ERROR);
+	}
+
+
+	stmfStateSet.state = STMF_STATE_OFFLINE;
+	stmfStateSet.config_state = STMF_CONFIG_INIT;
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	ret = setStmfState(fd, &stmfStateSet, STMF_SERVICE_TYPE);
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	/* Load the persistent configuration data */
+	ret = loadStore(fd);
+	if (ret != 0) {
+		goto done;
+	}
+
+	stmfStateSet.state = STMF_STATE_OFFLINE;
+	stmfStateSet.config_state = STMF_CONFIG_INIT_DONE;
+
+done:
+	if (ret == STMF_STATUS_SUCCESS) {
+		ret = setStmfState(fd, &stmfStateSet, STMF_SERVICE_TYPE);
+	}
+	(void) close(fd);
+	return (ret);
+}
+
+
+/*
+ * getStmfState
+ *
+ * stmfState - pointer to stmf_state_desc_t structure. Will contain the state
+ *             information of the stmf service on success.
+ */
+static int
+getStmfState(stmf_state_desc_t *stmfState)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl;
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to get the stmf state
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmf_state_desc_t);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)stmfState;
+	stmfIoctl.stmf_obuf_size = sizeof (stmf_state_desc_t);
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)stmfState;
+	ioctlRet = ioctl(fd, STMF_IOCTL_GET_STMF_STATE, &stmfIoctl);
+
+	(void) close(fd);
+
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "getStmfState:ioctl errno(%d)", errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	}
+	return (ret);
+}
+
+
+/*
+ * setStmfState
+ *
+ * stmfState - pointer to caller set state structure
+ * objectType - one of:
+ *		LOGICAL_UNIT_TYPE
+ *		TARGET_TYPE
+ *		STMF_SERVICE_TYPE
+ */
+static int
+setStmfState(int fd, stmf_state_desc_t *stmfState, int objectType)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	int cmd;
+	stmf_iocdata_t stmfIoctl;
+
+	switch (objectType) {
+		case LOGICAL_UNIT_TYPE:
+			cmd = STMF_IOCTL_SET_LU_STATE;
+			break;
+		case TARGET_TYPE:
+			cmd = STMF_IOCTL_SET_TARGET_PORT_STATE;
+			break;
+		case STMF_SERVICE_TYPE:
+			cmd = STMF_IOCTL_SET_STMF_STATE;
+			break;
+		default:
+			ret = STMF_STATUS_ERROR;
+			goto done;
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to set the stmf state
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmf_state_desc_t);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)stmfState;
+	ioctlRet = ioctl(fd, cmd, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case ENOENT:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "setStmfState:ioctl errno(%d)", errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	}
+done:
+	return (ret);
+}
+int
+stmfSetStmfProp(uint8_t propType, char *propVal)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	switch (propType) {
+		case STMF_DEFAULT_LU_STATE:
+			break;
+		case STMF_DEFAULT_TARGET_PORT_STATE:
+			break;
+		default:
+			return (STMF_ERROR_INVALID_ARG);
+	}
+	ret = psSetStmfProp(propType, propVal);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfSetStmfProp:psSetStmfProp:error(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+	return (ret);
+}
+
+
+int
+stmfGetStmfProp(uint8_t propType, char *propVal, size_t *propLen)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	char prop[MAXNAMELEN] = {0};
+	size_t reqLen;
+
+	if (propVal == NULL || propLen == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	switch (propType) {
+		case STMF_DEFAULT_LU_STATE:
+			break;
+		case STMF_DEFAULT_TARGET_PORT_STATE:
+			break;
+		default:
+			return (STMF_ERROR_INVALID_ARG);
+	}
+	ret = psGetStmfProp(propType, prop);
+	if ((reqLen = strlcpy(propVal, prop, *propLen)) >= *propLen) {
+		*propLen = reqLen + 1;
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfGetStmfProp:psGetStmfProp:error(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+	return (ret);
+}
+
+static int
+setStmfProp(stmf_set_props_t *stmf_set_props)
+{
+	char propVal[MAXNAMELEN] = {0};
+	int ret;
+	if ((ret = psGetStmfProp(STMF_DEFAULT_LU_STATE, propVal)) ==
+	    STMF_PS_SUCCESS) {
+		if (strncmp(propVal, "offline", strlen(propVal)) == 0) {
+			stmf_set_props->default_lu_state_value =
+			    STMF_STATE_OFFLINE;
+		} else {
+			stmf_set_props->default_lu_state_value =
+			    STMF_STATE_ONLINE;
+		}
+	} else {
+		syslog(LOG_DEBUG,
+		    "DefaultLuState:psSetStmfProp:error(%d)", ret);
+		goto done;
+	}
+
+	if ((ret = psGetStmfProp(STMF_DEFAULT_TARGET_PORT_STATE, propVal)) ==
+	    STMF_PS_SUCCESS) {
+		if (strncmp(propVal, "offline", strlen(propVal)) == 0) {
+			stmf_set_props->default_target_state_value =
+			    STMF_STATE_OFFLINE;
+		} else {
+			stmf_set_props->default_target_state_value =
+			    STMF_STATE_ONLINE;
+		}
+	} else {
+		syslog(LOG_DEBUG,
+		    "DefaultTargetPortState:psSetStmfProp:error(%d)", ret);
+		goto done;
+	}
+done:
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		default:
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+	return (ret);
+}
+
+static int
+loadStmfProp(int fd)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl = {0};
+	stmf_set_props_t *stmf_set_props = NULL;
+
+	stmf_set_props = (stmf_set_props_t *)
+	    calloc(1, (sizeof (stmf_set_props_t)));
+	if (stmf_set_props == NULL) {
+		ret = STMF_ERROR_NOMEM;
+		goto done;
+	}
+
+	/* Loading the default property values from smf */
+
+	if ((ret = setStmfProp(stmf_set_props)) != STMF_STATUS_SUCCESS)
+		goto done;
+
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (stmf_set_props_t);
+	stmfIoctl.stmf_ibuf =
+	    (uint64_t)(unsigned long)stmf_set_props;
+
+	ioctlRet = ioctl(fd, STMF_IOCTL_SET_STMF_PROPS,
+	    &stmfIoctl);
+
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case ENOENT:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "setDefaultStmfState:"
+				    "ioctl errno(%d)", errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	}
+done:
+	if (stmf_set_props != NULL) {
+		free(stmf_set_props);
+	}
+	return (ret);
+}
+
+int
+stmfLoadStmfProps(void)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	/* open control node for stmf */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd))
+	    != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+	ret = loadStmfProp(fd);
+
+	(void) close(fd);
+done:
+	if (ret != STMF_STATUS_SUCCESS) {
+		syslog(LOG_DEBUG,
+		    "stmfLoadStmfProps:Failed");
+	}
+	return (ret);
+}
+
+/*
+ * stmfOnline
+ *
+ * Purpose: Online stmf service
+ *
+ */
+int
+stmfOnline(void)
+{
+	int ret;
+	int fd;
+	stmfState state;
+	stmf_state_desc_t iState;
+
+	ret = stmfGetState(&state);
+	if (ret == STMF_STATUS_SUCCESS) {
+		if (state.operationalState == STMF_SERVICE_STATE_ONLINE) {
+			return (STMF_ERROR_SERVICE_ONLINE);
+		}
+	} else {
+		return (STMF_STATUS_ERROR);
+	}
+	iState.state = STMF_STATE_ONLINE;
+	iState.config_state = STMF_CONFIG_NONE;
+	/*
+	 * Open control node for stmf
+	 * to make call to setStmfState()
+	 */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+	ret = setStmfState(fd, &iState, STMF_SERVICE_TYPE);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfOffline
+ *
+ * Purpose: Offline stmf service
+ *
+ */
+int
+stmfOffline(void)
+{
+	int ret;
+	int fd;
+	stmfState state;
+	stmf_state_desc_t iState;
+
+	ret = stmfGetState(&state);
+	if (ret == STMF_STATUS_SUCCESS) {
+		if (state.operationalState == STMF_SERVICE_STATE_OFFLINE) {
+			return (STMF_ERROR_SERVICE_OFFLINE);
+		}
+	} else {
+		return (STMF_STATUS_ERROR);
+	}
+	iState.state = STMF_STATE_OFFLINE;
+	iState.config_state = STMF_CONFIG_NONE;
+
+	/*
+	 * Open control node for stmf
+	 * to make call to setStmfState()
+	 */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+	ret = setStmfState(fd, &iState, STMF_SERVICE_TYPE);
+	(void) close(fd);
+	return (ret);
+}
+
+
+/*
+ * stmfOfflineTarget
+ *
+ * Purpose: Change state of target to offline
+ *
+ * devid - devid of the target to offline
+ */
+int
+stmfOfflineTarget(stmfDevid *devid)
+{
+	stmf_state_desc_t targetState;
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+
+	if (devid == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	bzero(&targetState, sizeof (targetState));
+
+	targetState.state = STMF_STATE_OFFLINE;
+	targetState.ident[IDENT_LENGTH_BYTE] = devid->identLength;
+	bcopy(&(devid->ident), &targetState.ident[IDENT_LENGTH_BYTE + 1],
+	    devid->identLength);
+	/*
+	 * Open control node for stmf
+	 * to make call to setStmfState()
+	 */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+	ret = setStmfState(fd, &targetState, TARGET_TYPE);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfOfflineLogicalUnit
+ *
+ * Purpose: Change state of logical unit to offline
+ *
+ * lu - guid of the logical unit to offline
+ */
+int
+stmfOfflineLogicalUnit(stmfGuid *lu)
+{
+	stmf_state_desc_t luState;
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+
+	if (lu == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	bzero(&luState, sizeof (luState));
+
+	luState.state = STMF_STATE_OFFLINE;
+	bcopy(lu, &luState.ident, sizeof (stmfGuid));
+	/*
+	 * Open control node for stmf
+	 * to make call to setStmfState()
+	 */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+	ret = setStmfState(fd, &luState, LOGICAL_UNIT_TYPE);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfOnlineTarget
+ *
+ * Purpose: Change state of target to online
+ *
+ * devid - devid of the target to online
+ */
+int
+stmfOnlineTarget(stmfDevid *devid)
+{
+	stmf_state_desc_t targetState;
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+
+	if (devid == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	bzero(&targetState, sizeof (targetState));
+
+	targetState.state = STMF_STATE_ONLINE;
+	targetState.ident[IDENT_LENGTH_BYTE] = devid->identLength;
+	bcopy(&(devid->ident), &targetState.ident[IDENT_LENGTH_BYTE + 1],
+	    devid->identLength);
+	/*
+	 * Open control node for stmf
+	 * to make call to setStmfState()
+	 */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+	ret = setStmfState(fd, &targetState, TARGET_TYPE);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfOnlineLogicalUnit
+ *
+ * Purpose: Change state of logical unit to online
+ *
+ * lu - guid of the logical unit to online
+ */
+int
+stmfOnlineLogicalUnit(stmfGuid *lu)
+{
+	stmf_state_desc_t luState;
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+
+	if (lu == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	bzero(&luState, sizeof (luState));
+
+	luState.state = STMF_STATE_ONLINE;
+	bcopy(lu, &luState.ident, sizeof (stmfGuid));
+	/*
+	 * Open control node for stmf
+	 * to make call to setStmfState()
+	 */
+	if ((ret = openStmf(OPEN_EXCL_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+	ret = setStmfState(fd, &luState, LOGICAL_UNIT_TYPE);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfRemoveFromHostGroup
+ *
+ * Purpose: Removes an initiator from an initiator group
+ *
+ * hostGroupName - name of an initiator group
+ * hostName - name of host group member to remove
+ */
+int
+stmfRemoveFromHostGroup(stmfGroupName *hostGroupName, stmfDevid *hostName)
+{
+	int ret;
+	int fd;
+
+	if (hostGroupName == NULL ||
+	    (strnlen((char *)hostGroupName, sizeof (stmfGroupName))
+	    == sizeof (stmfGroupName)) || hostName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_REMOVE_HG_ENTRY,
+	    hostGroupName, hostName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	ret = psRemoveHostGroupMember((char *)hostGroupName,
+	    (char *)hostName->ident);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_MEMBER_NOT_FOUND:
+			ret = STMF_ERROR_MEMBER_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_GROUP_NOT_FOUND:
+			ret = STMF_ERROR_GROUP_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfRemoveFromHostGroup"
+			    "psRemoveHostGroupMember:error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfRemoveFromTargetGroup
+ *
+ * Purpose: Removes a local port from a local port group
+ *
+ * targetGroupName - name of a target group
+ * targetName - name of target to remove
+ */
+int
+stmfRemoveFromTargetGroup(stmfGroupName *targetGroupName, stmfDevid *targetName)
+{
+	int ret;
+	int fd;
+
+	if (targetGroupName == NULL ||
+	    (strnlen((char *)targetGroupName, sizeof (stmfGroupName))
+	    == sizeof (stmfGroupName)) || targetName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	if ((ret = groupMemberIoctl(fd, STMF_IOCTL_REMOVE_TG_ENTRY,
+	    targetGroupName, targetName)) != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	ret = psRemoveTargetGroupMember((char *)targetGroupName,
+	    (char *)targetName->ident);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_MEMBER_NOT_FOUND:
+			ret = STMF_ERROR_MEMBER_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_GROUP_NOT_FOUND:
+			ret = STMF_ERROR_GROUP_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfRemoveFromTargetGroup"
+			    "psRemoveTargetGroupMember:error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfRemoveViewEntry
+ *
+ * Purpose: Removes a view entry from a logical unit
+ *
+ * lu - guid of lu for which view entry is being removed
+ * viewEntryIndex - index of view entry to remove
+ *
+ */
+int
+stmfRemoveViewEntry(stmfGuid *lu, uint32_t viewEntryIndex)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl;
+	stmf_view_op_entry_t ioctlViewEntry;
+
+	if (lu == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	bzero(&ioctlViewEntry, sizeof (ioctlViewEntry));
+	ioctlViewEntry.ve_ndx_valid = B_TRUE;
+	ioctlViewEntry.ve_ndx = viewEntryIndex;
+	bcopy(lu, &ioctlViewEntry.ve_guid, sizeof (stmfGuid));
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to add to the view entry
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (ioctlViewEntry);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ioctlViewEntry;
+	ioctlRet = ioctl(fd, STMF_IOCTL_REMOVE_VIEW_ENTRY, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+				ret = STMF_ERROR_PERM;
+				break;
+			case EACCES:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
+						ret = STMF_ERROR_CONFIG_NONE;
+						break;
+					default:
+						ret = STMF_ERROR_PERM;
+						break;
+				}
+				break;
+			case ENODEV:
+			case ENOENT:
+				ret = STMF_ERROR_NOT_FOUND;
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "stmfRemoveViewEntry:ioctl errno(%d)",
+				    errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	ret = psRemoveViewEntry(lu, viewEntryIndex);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_NOT_FOUND:
+			ret = STMF_ERROR_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfRemoveViewEntry" "psRemoveViewEntry:error(%d)",
+			    ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * stmfSetProviderData
+ *
+ * Purpose: set the provider data
+ *
+ * providerName - unique name of provider
+ * nvl - nvlist to set
+ * providerType - type of provider for which to set data
+ *		STMF_LU_PROVIDER_TYPE
+ *		STMF_PORT_PROVIDER_TYPE
+ */
+int
+stmfSetProviderData(char *providerName, nvlist_t *nvl, int providerType)
+{
+	return (stmfSetProviderDataProt(providerName, nvl, providerType,
+	    NULL));
+}
+
+/*
+ * stmfSetProviderDataProt
+ *
+ * Purpose: set the provider data
+ *
+ * providerName - unique name of provider
+ * nvl - nvlist to set
+ * providerType - type of provider for which to set data
+ *		STMF_LU_PROVIDER_TYPE
+ *		STMF_PORT_PROVIDER_TYPE
+ * setToken - Stale data token returned in the stmfGetProviderDataProt()
+ *	      call or NULL.
+ */
+int
+stmfSetProviderDataProt(char *providerName, nvlist_t *nvl, int providerType,
+    uint64_t *setToken)
+{
+	int ret;
+	int fd;
+
+	if (providerName == NULL || nvl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	if (providerType != STMF_LU_PROVIDER_TYPE &&
+	    providerType != STMF_PORT_PROVIDER_TYPE) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	ret = setProviderData(fd, providerName, nvl, providerType, setToken);
+
+	(void) close(fd);
+
+	if (ret != STMF_STATUS_SUCCESS) {
+		goto done;
+	}
+
+	if (iGetPersistMethod() == STMF_PERSIST_NONE) {
+		goto done;
+	}
+
+	/* setting driver provider data successful. Now persist it */
+	ret = psSetProviderData(providerName, nvl, providerType, NULL);
+	switch (ret) {
+		case STMF_PS_SUCCESS:
+			ret = STMF_STATUS_SUCCESS;
+			break;
+		case STMF_PS_ERROR_EXISTS:
+			ret = STMF_ERROR_EXISTS;
+			break;
+		case STMF_PS_ERROR_BUSY:
+			ret = STMF_ERROR_BUSY;
+			break;
+		case STMF_PS_ERROR_SERVICE_NOT_FOUND:
+			ret = STMF_ERROR_SERVICE_NOT_FOUND;
+			break;
+		case STMF_PS_ERROR_VERSION_MISMATCH:
+			ret = STMF_ERROR_SERVICE_DATA_VERSION;
+			break;
+		case STMF_PS_ERROR_PROV_DATA_STALE:
+			ret = STMF_ERROR_PROV_DATA_STALE;
+			break;
+		default:
+			syslog(LOG_DEBUG,
+			    "stmfSetProviderData"
+			    "psSetProviderData:error(%d)", ret);
+			ret = STMF_STATUS_ERROR;
+			break;
+	}
+
+done:
+	return (ret);
+}
+
+/*
+ * getProviderData
+ *
+ * Purpose: set the provider data from stmf
+ *
+ * providerName - unique name of provider
+ * nvl - nvlist to load/retrieve
+ * providerType - logical unit or port provider
+ * setToken - returned stale data token
+ */
+int
+getProviderData(char *providerName, nvlist_t **nvl, int providerType,
+    uint64_t *setToken)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int fd;
+	int ioctlRet;
+	size_t nvlistSize = ALLOC_PP_DATA_SIZE;
+	int retryCnt = 0;
+	int retryCntMax = MAX_PROVIDER_RETRY;
+	stmf_ppioctl_data_t ppi = {0}, *ppi_out = NULL;
+	boolean_t retry = B_TRUE;
+	stmf_iocdata_t stmfIoctl;
+
+	if (providerName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/* set provider name and provider type */
+	if (strlcpy(ppi.ppi_name, providerName,
+	    sizeof (ppi.ppi_name)) >=
+	    sizeof (ppi.ppi_name)) {
+		ret = STMF_ERROR_INVALID_ARG;
+		goto done;
+	}
+	switch (providerType) {
+		case STMF_LU_PROVIDER_TYPE:
+			ppi.ppi_lu_provider = 1;
+			break;
+		case STMF_PORT_PROVIDER_TYPE:
+			ppi.ppi_port_provider = 1;
+			break;
+		default:
+			ret = STMF_ERROR_INVALID_ARG;
+			goto done;
+	}
+
+	do {
+		/* allocate memory for ioctl */
+		ppi_out = (stmf_ppioctl_data_t *)calloc(1, nvlistSize +
+		    sizeof (stmf_ppioctl_data_t));
+		if (ppi_out == NULL) {
+			ret = STMF_ERROR_NOMEM;
+			goto done;
+
+		}
+
+		/* set the size of the ioctl data to allocated buffer */
+		ppi.ppi_data_size = nvlistSize;
+
+		bzero(&stmfIoctl, sizeof (stmfIoctl));
+
+		stmfIoctl.stmf_version = STMF_VERSION_1;
+		stmfIoctl.stmf_ibuf_size = sizeof (stmf_ppioctl_data_t);
+		stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ppi;
+		stmfIoctl.stmf_obuf_size = sizeof (stmf_ppioctl_data_t) +
+		    nvlistSize;
+		stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)ppi_out;
+		ioctlRet = ioctl(fd, STMF_IOCTL_GET_PP_DATA, &stmfIoctl);
+		if (ioctlRet != 0) {
+			switch (errno) {
+				case EBUSY:
+					ret = STMF_ERROR_BUSY;
+					break;
+				case EPERM:
+				case EACCES:
+					ret = STMF_ERROR_PERM;
+					break;
+				case EINVAL:
+					if (stmfIoctl.stmf_error ==
+					    STMF_IOCERR_INSUFFICIENT_BUF) {
+						nvlistSize =
+						    ppi_out->ppi_data_size;
+						free(ppi_out);
+						ppi_out = NULL;
+						if (retryCnt++ > retryCntMax) {
+							retry = B_FALSE;
+							ret = STMF_ERROR_BUSY;
+						} else {
+							ret =
+							    STMF_STATUS_SUCCESS;
+						}
+					} else {
+						syslog(LOG_DEBUG,
+						    "getProviderData:ioctl"
+						    "unable to retrieve "
+						    "nvlist");
+						ret = STMF_STATUS_ERROR;
+					}
+					break;
+				case ENOENT:
+					ret = STMF_ERROR_NOT_FOUND;
+					break;
+				default:
+					syslog(LOG_DEBUG,
+					    "getProviderData:ioctl errno(%d)",
+					    errno);
+					ret = STMF_STATUS_ERROR;
+					break;
+			}
+			if (ret != STMF_STATUS_SUCCESS)
+				goto done;
+		}
+	} while (retry && stmfIoctl.stmf_error == STMF_IOCERR_INSUFFICIENT_BUF);
+
+	if ((ret = nvlist_unpack((char *)ppi_out->ppi_data,
+	    ppi_out->ppi_data_size, nvl, 0)) != 0) {
+		ret = STMF_STATUS_ERROR;
+		goto done;
+	}
+
+	/* caller has asked for new token */
+	if (setToken) {
+		*setToken = ppi_out->ppi_token;
+	}
+done:
+	free(ppi_out);
+	(void) close(fd);
+	return (ret);
+}
+
+/*
+ * setProviderData
+ *
+ * Purpose: set the provider data in stmf
+ *
+ * providerName - unique name of provider
+ * nvl - nvlist to set
+ * providerType - logical unit or port provider
+ * setToken - stale data token to check if not NULL
+ */
+static int
+setProviderData(int fd, char *providerName, nvlist_t *nvl, int providerType,
+    uint64_t *setToken)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	size_t nvlistEncodedSize;
+	stmf_ppioctl_data_t *ppi = NULL;
+	uint64_t outToken;
+	char *allocatedNvBuffer;
+	stmf_iocdata_t stmfIoctl;
+
+	if (providerName == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* get size of encoded nvlist */
+	if (nvlist_size(nvl, &nvlistEncodedSize, NV_ENCODE_XDR) != 0) {
+		return (STMF_STATUS_ERROR);
+	}
+
+	/* allocate memory for ioctl */
+	ppi = (stmf_ppioctl_data_t *)calloc(1, nvlistEncodedSize +
+	    sizeof (stmf_ppioctl_data_t));
+	if (ppi == NULL) {
+		return (STMF_ERROR_NOMEM);
+	}
+
+	if (setToken) {
+		ppi->ppi_token_valid = 1;
+		ppi->ppi_token = *setToken;
+	}
+
+	allocatedNvBuffer = (char *)&ppi->ppi_data;
+	if (nvlist_pack(nvl, &allocatedNvBuffer, &nvlistEncodedSize,
+	    NV_ENCODE_XDR, 0) != 0) {
+		return (STMF_STATUS_ERROR);
+	}
+
+	/* set provider name and provider type */
+	(void) strncpy(ppi->ppi_name, providerName, sizeof (ppi->ppi_name));
+	switch (providerType) {
+		case STMF_LU_PROVIDER_TYPE:
+			ppi->ppi_lu_provider = 1;
+			break;
+		case STMF_PORT_PROVIDER_TYPE:
+			ppi->ppi_port_provider = 1;
+			break;
+		default:
+			return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* set the size of the ioctl data to packed data size */
+	ppi->ppi_data_size = nvlistEncodedSize;
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	/*
+	 * Subtracting 8 from the size as that is the size of the last member
+	 * of the structure where the packed data resides
+	 */
+	stmfIoctl.stmf_ibuf_size = nvlistEncodedSize +
+	    sizeof (stmf_ppioctl_data_t) - 8;
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)ppi;
+	stmfIoctl.stmf_obuf_size = sizeof (uint64_t);
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&outToken;
+	ioctlRet = ioctl(fd, STMF_IOCTL_LOAD_PP_DATA, &stmfIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case EINVAL:
+				if (stmfIoctl.stmf_error ==
+				    STMF_IOCERR_PPD_UPDATED) {
+					ret = STMF_ERROR_PROV_DATA_STALE;
+				} else {
+					ret = STMF_STATUS_ERROR;
+				}
+				break;
+			default:
+				syslog(LOG_DEBUG,
+				    "setProviderData:ioctl errno(%d)", errno);
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+		if (ret != STMF_STATUS_SUCCESS)
+			goto done;
+	}
+
+	/* caller has asked for new token */
+	if (setToken) {
+		*setToken = outToken;
+	}
+done:
+	free(ppi);
+	return (ret);
+}
+
+/*
+ * set the persistence method in the library only or library and service
+ */
+int
+stmfSetPersistMethod(uint8_t persistType, boolean_t serviceSet)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int oldPersist;
+
+	(void) pthread_mutex_lock(&persistenceTypeLock);
+	oldPersist = iPersistType;
+	if (persistType == STMF_PERSIST_NONE ||
+	    persistType == STMF_PERSIST_SMF) {
+		iLibSetPersist = B_TRUE;
+		iPersistType = persistType;
+	} else {
+		(void) pthread_mutex_unlock(&persistenceTypeLock);
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	/* Is this for this library open or in SMF */
+	if (serviceSet == B_TRUE) {
+		ret = psSetServicePersist(persistType);
+		if (ret != STMF_PS_SUCCESS) {
+			ret = STMF_ERROR_PERSIST_TYPE;
+			/* Set to old value */
+			iPersistType = oldPersist;
+		}
+	}
+	(void) pthread_mutex_unlock(&persistenceTypeLock);
+
+	return (ret);
+}
+
+/*
+ * Only returns internal state for persist. If unset, goes to ps. If that
+ * fails, returns default setting
+ */
+static uint8_t
+iGetPersistMethod()
+{
+
+	uint8_t persistType = 0;
+
+	(void) pthread_mutex_lock(&persistenceTypeLock);
+	if (iLibSetPersist) {
+		persistType = iPersistType;
+	} else {
+		int ret;
+		ret = psGetServicePersist(&persistType);
+		if (ret != STMF_PS_SUCCESS) {
+			/* set to default */
+			persistType = STMF_DEFAULT_PERSIST;
+		}
+	}
+	(void) pthread_mutex_unlock(&persistenceTypeLock);
+	return (persistType);
+}
+
+/*
+ * Returns either library state or persistent config state depending on
+ * serviceState
+ */
+int
+stmfGetPersistMethod(uint8_t *persistType, boolean_t serviceState)
+{
+	int ret = STMF_STATUS_SUCCESS;
+
+	if (persistType == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+	if (serviceState) {
+		ret = psGetServicePersist(persistType);
+		if (ret != STMF_PS_SUCCESS) {
+			ret = STMF_ERROR_PERSIST_TYPE;
+		}
+	} else {
+		(void) pthread_mutex_lock(&persistenceTypeLock);
+		if (iLibSetPersist) {
+			*persistType = iPersistType;
+		} else {
+			*persistType = STMF_DEFAULT_PERSIST;
+		}
+		(void) pthread_mutex_unlock(&persistenceTypeLock);
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfPostProxyMsg
+ *
+ * Purpose: Post a message to the proxy port provider
+ *
+ * buf - buffer containing message to post
+ * buflen - buffer length
+ */
+int
+stmfPostProxyMsg(int hdl, void *buf, uint32_t buflen)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	pppt_iocdata_t ppptIoctl = {0};
+
+	if (buf == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/*
+	 * Issue ioctl to post the message
+	 */
+	ppptIoctl.pppt_version = PPPT_VERSION_1;
+	ppptIoctl.pppt_buf_size = buflen;
+	ppptIoctl.pppt_buf = (uint64_t)(unsigned long)buf;
+	ioctlRet = ioctl(hdl, PPPT_MESSAGE, &ppptIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			default:
+				ret = STMF_ERROR_POST_MSG_FAILED;
+				break;
+		}
+	}
+
+	return (ret);
+}
+
+/*
+ * stmfInitProxyDoor
+ *
+ * Purpose: Install door in proxy
+ *
+ * hdl - pointer to returned handle
+ * fd - door from door_create()
+ */
+int
+stmfInitProxyDoor(int *hdl, int door)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	int fd;
+	pppt_iocdata_t ppptIoctl = {0};
+
+	if (hdl == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/*
+	 * Open control node for pppt
+	 */
+	if ((ret = openPppt(OPEN_PPPT, &fd)) != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Issue ioctl to install the door
+	 */
+	ppptIoctl.pppt_version = PPPT_VERSION_1;
+	ppptIoctl.pppt_door_fd = (uint32_t)door;
+	ioctlRet = ioctl(fd, PPPT_INSTALL_DOOR, &ppptIoctl);
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EPERM:
+			case EACCES:
+				ret = STMF_ERROR_PERM;
+				break;
+			case EINVAL:
+				ret = STMF_ERROR_INVALID_ARG;
+				break;
+			case EBUSY:
+				ret = STMF_ERROR_DOOR_INSTALLED;
+				break;
+			default:
+				ret = STMF_STATUS_ERROR;
+				break;
+		}
+	}
+
+	/* return driver fd to caller */
+	*hdl = fd;
+	return (ret);
+}
+
+void
+stmfDestroyProxyDoor(int hdl)
+{
+	(void) close(hdl);
+}
+
+/*
+ * validateLunNumIoctl
+ *
+ * Purpose: Issues ioctl to check and get available lun# in view entry
+ *
+ * viewEntry - view entry to use
+ */
+static int
+validateLunNumIoctl(int fd, stmfViewEntry *viewEntry)
+{
+	int ret = STMF_STATUS_SUCCESS;
+	int ioctlRet;
+	stmf_iocdata_t stmfIoctl;
+	stmf_view_op_entry_t ioctlViewEntry;
+
+	bzero(&ioctlViewEntry, sizeof (ioctlViewEntry));
+	/*
+	 * don't set ve_ndx or ve_ndx_valid as ve_ndx_valid should be
+	 * false on input
+	 */
+	ioctlViewEntry.ve_lu_number_valid = viewEntry->luNbrValid;
+	ioctlViewEntry.ve_all_hosts = viewEntry->allHosts;
+	ioctlViewEntry.ve_all_targets = viewEntry->allTargets;
+
+	if (viewEntry->allHosts == B_FALSE) {
+		bcopy(viewEntry->hostGroup, &ioctlViewEntry.ve_host_group.name,
+		    sizeof (stmfGroupName));
+		ioctlViewEntry.ve_host_group.name_size =
+		    strlen((char *)viewEntry->hostGroup);
+	}
+	if (viewEntry->allTargets == B_FALSE) {
+		bcopy(viewEntry->targetGroup,
+		    &ioctlViewEntry.ve_target_group.name,
+		    sizeof (stmfGroupName));
+		ioctlViewEntry.ve_target_group.name_size =
+		    strlen((char *)viewEntry->targetGroup);
+	}
+	/* Validating the lun number */
+	if (viewEntry->luNbrValid) {
+		bcopy(viewEntry->luNbr, &ioctlViewEntry.ve_lu_nbr,
+		    sizeof (ioctlViewEntry.ve_lu_nbr));
+	}
+
+	bzero(&stmfIoctl, sizeof (stmfIoctl));
+	/*
+	 * Issue ioctl to validate lun# in the view entry
+	 */
+	stmfIoctl.stmf_version = STMF_VERSION_1;
+	stmfIoctl.stmf_ibuf_size = sizeof (ioctlViewEntry);
+	stmfIoctl.stmf_ibuf = (uint64_t)(unsigned long)&ioctlViewEntry;
+	stmfIoctl.stmf_obuf_size = sizeof (ioctlViewEntry);
+	stmfIoctl.stmf_obuf = (uint64_t)(unsigned long)&ioctlViewEntry;
+	ioctlRet = ioctl(fd, STMF_IOCTL_VALIDATE_VIEW, &stmfIoctl);
+
+	/* save available lun number */
+	if (!viewEntry->luNbrValid) {
+		bcopy(ioctlViewEntry.ve_lu_nbr, viewEntry->luNbr,
+		    sizeof (ioctlViewEntry.ve_lu_nbr));
+	}
+	if (ioctlRet != 0) {
+		switch (errno) {
+			case EBUSY:
+				ret = STMF_ERROR_BUSY;
+				break;
+			case EPERM:
+				ret = STMF_ERROR_PERM;
+				break;
+			case EACCES:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
+						ret = STMF_ERROR_CONFIG_NONE;
+						break;
+					default:
+						ret = STMF_ERROR_PERM;
+						break;
+				}
+				break;
+			default:
+				switch (stmfIoctl.stmf_error) {
+					case STMF_IOCERR_LU_NUMBER_IN_USE:
+						ret = STMF_ERROR_LUN_IN_USE;
+						break;
+					case STMF_IOCERR_VIEW_ENTRY_CONFLICT:
+						ret = STMF_ERROR_VE_CONFLICT;
+						break;
+					case STMF_IOCERR_UPDATE_NEED_CFG_INIT:
+						ret = STMF_ERROR_CONFIG_NONE;
+						break;
+					case STMF_IOCERR_INVALID_HG:
+						ret = STMF_ERROR_INVALID_HG;
+						break;
+					case STMF_IOCERR_INVALID_TG:
+						ret = STMF_ERROR_INVALID_TG;
+						break;
+					default:
+						syslog(LOG_DEBUG,
+						    "addViewEntryIoctl"
+						    ":error(%d)",
+						    stmfIoctl.stmf_error);
+						ret = STMF_STATUS_ERROR;
+						break;
+				}
+				break;
+		}
+	}
+	return (ret);
+}
+
+/*
+ * stmfValidateView
+ *
+ * Purpose: Validate or get lun # base on TG, HG of view entry
+ *
+ * viewEntry - view entry structure to use
+ */
+int
+stmfValidateView(stmfViewEntry *viewEntry)
+{
+	int ret;
+	int fd;
+	stmfViewEntry iViewEntry;
+
+	if (viewEntry == NULL) {
+		return (STMF_ERROR_INVALID_ARG);
+	}
+
+	/* initialize and set internal view entry */
+	bzero(&iViewEntry, sizeof (iViewEntry));
+
+	if (!viewEntry->allHosts) {
+		bcopy(viewEntry->hostGroup, iViewEntry.hostGroup,
+		    sizeof (iViewEntry.hostGroup));
+	} else {
+		iViewEntry.allHosts = B_TRUE;
+	}
+
+	if (!viewEntry->allTargets) {
+		bcopy(viewEntry->targetGroup, iViewEntry.targetGroup,
+		    sizeof (iViewEntry.targetGroup));
+	} else {
+		iViewEntry.allTargets = B_TRUE;
+	}
+
+	if (viewEntry->luNbrValid) {
+		iViewEntry.luNbrValid = B_TRUE;
+		bcopy(viewEntry->luNbr, iViewEntry.luNbr,
+		    sizeof (iViewEntry.luNbr));
+	}
+
+	/*
+	 * set users return view entry index valid flag to false
+	 * in case of failure
+	 */
+	viewEntry->veIndexValid = B_FALSE;
+
+	/* Check to ensure service exists */
+	if (psCheckService() != STMF_STATUS_SUCCESS) {
+		return (STMF_ERROR_SERVICE_NOT_FOUND);
+	}
+
+	/* call init */
+	ret = initializeConfig();
+	if (ret != STMF_STATUS_SUCCESS) {
+		return (ret);
+	}
+
+	/*
+	 * Open control node for stmf
+	 */
+	if ((ret = openStmf(OPEN_STMF, &fd)) != STMF_STATUS_SUCCESS)
+		return (ret);
+
+	/*
+	 * Validate lun# in the view entry from the driver
+	 */
+	ret = validateLunNumIoctl(fd, &iViewEntry);
+	(void) close(fd);
+
+	/* save available lun number */
+	if (!viewEntry->luNbrValid) {
+		bcopy(iViewEntry.luNbr, viewEntry->luNbr,
+		    sizeof (iViewEntry.luNbr));
+	}
+
+	return (ret);
+}