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
40 MP_STATUS
MP_AssignLogicalUnitToTPG(MP_OID tpgOid,MP_OID luOid)41 MP_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