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
35MP_STATUS
36MP_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