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 MP_STATUS
MP_EnableAutoFailbackPlugin(void)35 MP_EnableAutoFailbackPlugin(void)
36 {
37 mp_iocdata_t mp_ioctl;
38
39 int ioctlStatus = 0;
40
41 MP_STATUS mpStatus = MP_STATUS_SUCCESS;
42
43 char chBuffer[256];
44
45
46 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()", " - enter");
47
48
49 if (g_scsi_vhci_fd < 0) {
50 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()",
51 "invalid driver file handle");
52 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()", " - error exit");
53 return (MP_STATUS_FAILED);
54 }
55
56 (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
57 (void) memset(&chBuffer, 0, 256);
58
59 mp_ioctl.mp_cmd = MP_ENABLE_AUTO_FAILBACK;
60 mp_ioctl.mp_ibuf = (caddr_t)&chBuffer[0];
61 mp_ioctl.mp_xfer = MP_XFER_WRITE;
62
63 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()",
64 "mp_ioctl.mp_cmd (MP_ENABLE_AUTO_FAILBACK) : %d",
65 mp_ioctl.mp_cmd);
66
67 ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
68
69 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()",
70 " IOCTL call returned: %d", ioctlStatus);
71
72 if (ioctlStatus < 0) {
73 ioctlStatus = errno;
74 }
75
76 if (ioctlStatus != 0) {
77 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()",
78 "IOCTL call failed. IOCTL error is: %d",
79 ioctlStatus);
80 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()",
81 "IOCTL call failed. IOCTL error is: %s",
82 strerror(ioctlStatus));
83 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()",
84 "IOCTL call failed. mp_ioctl.mp_errno: %x",
85 mp_ioctl.mp_errno);
86
87 if (ENOTSUP == ioctlStatus) {
88 mpStatus = MP_STATUS_UNSUPPORTED;
89 } else if (0 == mp_ioctl.mp_errno) {
90 mpStatus = MP_STATUS_FAILED;
91 } else {
92 mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
93 }
94
95 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()",
96 " - error exit");
97
98 return (mpStatus);
99 }
100
101
102 log(LOG_INFO, "MP_EnableAutoFailbackPlugin()", " - exit");
103
104 return (MP_STATUS_SUCCESS);
105 }
106