1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <string.h>
27 #include <syslog.h>
28 #include <errno.h>
29 #include <unistd.h>
30 #include <stropts.h>
31
32 #include "mp_utils.h"
33
34
35 MP_STATUS
MP_GetPathLogicalUnitProperties(MP_OID oid,MP_PATH_LOGICAL_UNIT_PROPERTIES * pProps)36 MP_GetPathLogicalUnitProperties(MP_OID oid,
37 MP_PATH_LOGICAL_UNIT_PROPERTIES *pProps)
38 {
39 mp_iocdata_t mp_ioctl;
40 mp_path_prop_t pathInfo;
41
42 int ioctlStatus = 0;
43
44 MP_OID initPortOID;
45 MP_OID targetPortOID;
46 MP_OID luOID;
47
48 MP_STATUS mpStatus = MP_STATUS_SUCCESS;
49
50
51
52 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()", " - enter");
53
54
55 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
56 "oid.objectSequenceNumber = %llx",
57 oid.objectSequenceNumber);
58
59
60 if (g_scsi_vhci_fd < 0) {
61 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
62 "invalid driver file handle");
63 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
64 " - error exit");
65 return (MP_STATUS_FAILED);
66 }
67
68 (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
69 (void) memset(&pathInfo, 0, sizeof (mp_path_prop_t));
70
71 mp_ioctl.mp_cmd = MP_GET_PATH_PROP;
72 mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
73 mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
74 mp_ioctl.mp_obuf = (caddr_t)&pathInfo;
75 mp_ioctl.mp_olen = sizeof (mp_path_prop_t);
76 mp_ioctl.mp_xfer = MP_XFER_READ;
77
78 ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
79
80 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
81 " IOCTL call returned: %d", ioctlStatus);
82
83 if (ioctlStatus < 0) {
84 ioctlStatus = errno;
85 }
86
87 if (ioctlStatus != 0) {
88 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
89 "IOCTL call failed. IOCTL error is: %d",
90 ioctlStatus);
91 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
92 "IOCTL call failed. IOCTL error is: %s",
93 strerror(ioctlStatus));
94 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
95 "IOCTL call failed. mp_ioctl.mp_errno: %x",
96 mp_ioctl.mp_errno);
97
98 if (ENOTSUP == ioctlStatus) {
99 mpStatus = MP_STATUS_UNSUPPORTED;
100 } else if (0 == mp_ioctl.mp_errno) {
101 mpStatus = MP_STATUS_FAILED;
102 } else {
103 mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
104 }
105
106 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()",
107 " - error exit");
108
109 return (mpStatus);
110 }
111
112 (void) memset(pProps, 0, sizeof (MP_PATH_LOGICAL_UNIT_PROPERTIES));
113
114 pProps->disabled = pathInfo.disabled;
115
116 initPortOID.objectSequenceNumber = pathInfo.initPort.id;
117 initPortOID.objectType = MP_OBJECT_TYPE_INITIATOR_PORT;
118 initPortOID.ownerId = g_pluginOwnerID;
119
120 (void) memcpy(&pProps->initiatorPortOid, &initPortOID, sizeof (MP_OID));
121
122 targetPortOID.objectSequenceNumber = pathInfo.targetPort.id;
123 targetPortOID.objectType = MP_OBJECT_TYPE_TARGET_PORT;
124 targetPortOID.ownerId = g_pluginOwnerID;
125
126 (void) memcpy(&pProps->targetPortOid, &targetPortOID, sizeof (MP_OID));
127
128 luOID.objectSequenceNumber = pathInfo.logicalUnit.id;
129 luOID.objectType = MP_OBJECT_TYPE_MULTIPATH_LU;
130 luOID.ownerId = g_pluginOwnerID;
131
132 (void) memcpy(&pProps->logicalUnitOid, &luOID, sizeof (MP_OID));
133
134 pProps->logicalUnitNumber = pathInfo.logicalUnit.id;
135
136 switch (pathInfo.pathState) {
137
138 case MP_DRVR_PATH_STATE_ACTIVE:
139 case MP_DRVR_PATH_STATE_PASSIVE:
140 pProps->pathState = MP_PATH_STATE_OKAY;
141 break;
142
143 case MP_DRVR_PATH_STATE_PATH_ERR:
144 pProps->pathState = MP_PATH_STATE_PATH_ERR;
145 break;
146
147 case MP_DRVR_PATH_STATE_LU_ERR:
148 pProps->pathState = MP_PATH_STATE_LU_ERR;
149 break;
150
151 case MP_DRVR_PATH_STATE_RESERVED:
152 pProps->pathState = MP_PATH_STATE_RESERVED;
153 break;
154
155 case MP_DRVR_PATH_STATE_REMOVED:
156 pProps->pathState = MP_PATH_STATE_REMOVED;
157 break;
158
159 case MP_DRVR_PATH_STATE_TRANSITIONING:
160 pProps->pathState = MP_PATH_STATE_TRANSITIONING;
161 break;
162
163 default:
164 pProps->pathState = MP_PATH_STATE_UNKNOWN;
165
166 }
167
168 pProps->weight = pathInfo.weight;
169
170
171 log(LOG_INFO, "MP_GetPathLogicalUnitProperties()", " - exit");
172
173 return (MP_STATUS_SUCCESS);
174 }
175