usr/src/lib/mpapi/libmpscsi_vhci/common/MP_GetTargetPortProperties.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 #include "mp_utils.h"
  33
  34
  35
  36 MP_STATUS
  37 MP_GetTargetPortProperties(MP_OID oid,
  38         MP_TARGET_PORT_PROPERTIES *pProps)
  39 {
  40         mp_iocdata_t            mp_ioctl;
  41         mp_target_port_prop_t   tpInfo;
  42
  43         int ioctlStatus = 0;
  44
  45         MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  46
  47
  48
  49         log(LOG_INFO, "MP_GetTargetPortProperties()", " - enter");
  50
  51
  52         log(LOG_INFO, "MP_GetTargetPortProperties()",
  53                 "oid.objectSequenceNumber = %llx",
  54                 oid.objectSequenceNumber);
  55
  56         if (g_scsi_vhci_fd < 0) {
  57                 log(LOG_INFO, "MP_GetTargetPortProperties()",
  58                     "invalid driver file handle");
  59                 log(LOG_INFO, "MP_GetTargetPortProperties()", " - error exit");
  60                 return (MP_STATUS_FAILED);
  61         }
  62
  63         (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
  64         (void) memset(&tpInfo,   0, sizeof (mp_target_port_prop_t));
  65
  66         mp_ioctl.mp_cmd  = MP_GET_TARGET_PORT_PROP;
  67         mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
  68         mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
  69         mp_ioctl.mp_obuf = (caddr_t)&tpInfo;
  70         mp_ioctl.mp_olen = sizeof (mp_target_port_prop_t);
  71         mp_ioctl.mp_xfer = MP_XFER_READ;
  72
  73         log(LOG_INFO, "MP_GetTargetPortProperties()",
  74                 "mp_ioctl.mp_cmd (MP_GET_TARGET_PORT_PROP) : %d",
  75                 mp_ioctl.mp_cmd);
  76
  77         ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
  78
  79         log(LOG_INFO, "MP_GetTargetPortProperties()",
  80                 " IOCTL call returned: %d", ioctlStatus);
  81
  82         if (ioctlStatus < 0) {
  83                 ioctlStatus = errno;
  84         }
  85
  86         if (ioctlStatus != 0) {
  87                 log(LOG_INFO, "MP_GetTargetPortProperties()",
  88                     "IOCTL call failed.  IOCTL error is: %d",
  89                         ioctlStatus);
  90                 log(LOG_INFO, "MP_GetTargetPortProperties()",
  91                     "IOCTL call failed.  IOCTL error is: %s",
  92                         strerror(ioctlStatus));
  93                 log(LOG_INFO, "MP_GetTargetPortProperties()",
  94                     "IOCTL call failed.  mp_ioctl.mp_errno: %x",
  95                         mp_ioctl.mp_errno);
  96
  97                 if (ENOTSUP == ioctlStatus) {
  98                         mpStatus = MP_STATUS_UNSUPPORTED;
  99                 } else if (0 == mp_ioctl.mp_errno) {
 100                         mpStatus = MP_STATUS_FAILED;
 101                 } else {
 102                         mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
 103                 }
 104
 105                 log(LOG_INFO, "MP_GetTargetPortProperties()",
 106                         " - error exit");
 107
 108                 return (mpStatus);
 109         }
 110
 111         (void) memset(pProps, 0, sizeof (MP_TARGET_PORT_PROPERTIES));
 112
 113         (void) strncpy(pProps->portID, tpInfo.portName,
 114             sizeof (pProps->portID));
 115         pProps->relativePortID = tpInfo.relativePortID;
 116
 117
 118         log(LOG_INFO, "MP_GetTargetPortProperties()", " - exit");
 119
 120         return (MP_STATUS_SUCCESS);
 121 }