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 <syslog.h>
27#include <errno.h>
28#include <unistd.h>
29#include <stropts.h>
30
31#include "mp_utils.h"
32
33
34/*
35 *	Called by the common layer to request the plugin to assign
36 *	a logical unit to a TPG.  luOid is the logical unit to assign
37 *	to the TPG, tpgOid.
38 */
39
40MP_STATUS
41MP_AssignLogicalUnitToTPG(MP_OID tpgOid, MP_OID luOid)
42{
43	mp_lu_tpg_pair_t	tpgPair;
44	mp_iocdata_t		mp_ioctl;
45
46	int ioctlStatus = 0;
47
48	MP_STATUS mpStatus = MP_STATUS_SUCCESS;
49
50
51
52	log(LOG_INFO, "MP_AssignLogicalUnitToTPG()", " - enter");
53
54
55	log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
56		"tpgOid.objectSequenceNumber = %llx",
57		tpgOid.objectSequenceNumber);
58
59	log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
60		"luOid.objectSequenceNumber  = %llx",
61		luOid.objectSequenceNumber);
62
63
64	if (g_scsi_vhci_fd < 0) {
65		log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
66		    "invalid driver file handle");
67		log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
68			" - error exit");
69		return (MP_STATUS_FAILED);
70	}
71
72	(void) memset(&tpgPair, 0, sizeof (mp_lu_tpg_pair_t));
73	(void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
74
75	tpgPair.tpgId = tpgOid.objectSequenceNumber;
76	tpgPair.luId = luOid.objectSequenceNumber;
77
78	mp_ioctl.mp_cmd  = MP_ASSIGN_LU_TO_TPG;
79	mp_ioctl.mp_ibuf = (caddr_t)&tpgPair;
80	mp_ioctl.mp_ilen = sizeof (mp_lu_tpg_pair_t);
81	mp_ioctl.mp_xfer =  MP_XFER_WRITE;
82
83	log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
84		"mp_ioctl.mp_cmd (MP_ASSIGN_LU_TO_TPG) : %d",
85		mp_ioctl.mp_cmd);
86
87	ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
88
89	log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
90		" IOCTL call returned: %d", ioctlStatus);
91
92	if (ioctlStatus < 0) {
93		ioctlStatus = errno;
94	}
95
96	if (ioctlStatus != 0) {
97		log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
98		    "IOCTL call failed.  IOCTL error is: %d",
99			ioctlStatus);
100		log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
101		    "IOCTL call failed.  IOCTL error is: %s",
102			strerror(ioctlStatus));
103		log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
104		    "IOCTL call failed.  mp_ioctl.mp_errno: %x",
105			mp_ioctl.mp_errno);
106
107		if (ENOTSUP == ioctlStatus) {
108			mpStatus = MP_STATUS_UNSUPPORTED;
109		} else if (0 == mp_ioctl.mp_errno) {
110			mpStatus = MP_STATUS_FAILED;
111		} else {
112			mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
113		}
114
115		log(LOG_INFO, "MP_AssignLogicalUnitToTPG()",
116			" - error exit, returning %d to caller.", mpStatus);
117
118		return (mpStatus);
119	}
120
121
122	log(LOG_INFO, "MP_AssignLogicalUnitToTPG()", " - exit");
123
124	return (MP_STATUS_SUCCESS);
125}
126