usr/src/lib/mpapi/libmpscsi_vhci/common/MP_GetTargetPortGroupProperties.c

   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
  33 #include "mp_utils.h"
  34
  35
  36
  37 MP_STATUS
  38 MP_GetTargetPortGroupProperties(MP_OID oid,
  39         MP_TARGET_PORT_GROUP_PROPERTIES *pProps)
  40 {
  41         MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  42
  43
  44         log(LOG_INFO, "MP_GetTargetPortGroupProperties()", " - enter");
  45
  46
  47         mpStatus = getTargetPortGroupProperties(oid, pProps);
  48
  49
  50         log(LOG_INFO, "MP_GetTargetPortGroupProperties()", " - exit");
  51
  52         return (mpStatus);
  53 }
  54
  55
  56 MP_STATUS
  57 getTargetPortGroupProperties(MP_OID oid,
  58         MP_TARGET_PORT_GROUP_PROPERTIES *pProps)
  59 {
  60         mp_iocdata_t    mp_ioctl;
  61         mp_tpg_prop_t   tpgProps;
  62
  63         int ioctlStatus = 0;
  64
  65         MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  66
  67
  68         log(LOG_INFO, "getTargetPortGroupProperties()", " - enter");
  69
  70         if (g_scsi_vhci_fd < 0) {
  71                 log(LOG_INFO, "getTargetPortGroupProperties()",
  72                     "invalid driver file handle");
  73                 log(LOG_INFO, "getTargetPortGroupProperties",
  74                         " - error exit");
  75                 return (MP_STATUS_FAILED);
  76         }
  77
  78         log(LOG_INFO, "getTargetPortGroupProperties()",
  79                 "oid.objectSequenceNumber = %llx",
  80                 oid.objectSequenceNumber);
  81
  82         (void) memset(pProps, 0, sizeof (MP_TARGET_PORT_GROUP_PROPERTIES));
  83         (void) memset(&tpgProps, 0, sizeof (mp_tpg_prop_t));
  84         (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
  85
  86         mp_ioctl.mp_cmd  = MP_GET_TPG_PROP;
  87         mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
  88         mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
  89         mp_ioctl.mp_obuf = (caddr_t)&tpgProps;
  90         mp_ioctl.mp_olen = sizeof (mp_tpg_prop_t);
  91         mp_ioctl.mp_xfer = MP_XFER_READ;
  92
  93         ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
  94
  95         log(LOG_INFO, "getTargetPortGroupProperties()",
  96                 " IOCTL call returned: %d", ioctlStatus);
  97
  98         if (ioctlStatus < 0) {
  99                 ioctlStatus = errno;
 100         }
 101
 102         if (ioctlStatus != 0) {
 103                 log(LOG_INFO, "getTargetPortGroupProperties()",
 104                     "IOCTL call failed.  IOCTL error is: %d",
 105                         ioctlStatus);
 106                 log(LOG_INFO, "getTargetPortGroupProperties()",
 107                     "IOCTL call failed.  IOCTL error is: %s",
 108                         strerror(ioctlStatus));
 109                 log(LOG_INFO, "getTargetPortGroupProperties()",
 110                     "IOCTL call failed.  mp_ioctl.mp_errno: %x",
 111                         mp_ioctl.mp_errno);
 112
 113                 if (ENOTSUP == ioctlStatus) {
 114                         mpStatus = MP_STATUS_UNSUPPORTED;
 115                 } else if (0 == mp_ioctl.mp_errno) {
 116                         mpStatus = MP_STATUS_FAILED;
 117                 } else {
 118                         mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
 119                 }
 120
 121                 log(LOG_INFO, "getTargetPortGroupProperties()",
 122                         " - error exit");
 123
 124                 return (mpStatus);
 125         }
 126
 127         pProps->accessState = tpgProps.accessState;
 128         pProps->explicitFailover = tpgProps.explicitFailover;
 129         pProps->preferredLuPath = tpgProps.preferredLuPath;
 130         pProps->supportsLuAssignment = tpgProps.supportsLuAssignment;
 131         pProps->tpgID = tpgProps.tpgId;
 132
 133
 134         log(LOG_INFO, "getTargetPortGroupProperties()", " - exit");
 135
 136         return (MP_STATUS_SUCCESS);
 137 }