usr/src/lib/mpapi/libmpscsi_vhci/common/MP_GetProprietaryLBProp.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 <syslog.h>
  27 #include <errno.h>
  28 #include <unistd.h>
  29 #include <stropts.h>
  30
  31
  32 #include "mp_utils.h"
  33
  34
  35 MP_STATUS
  36 MP_GetProprietaryLoadBalanceProperties(MP_OID oid,
  37         MP_PROPRIETARY_LOAD_BALANCE_PROPERTIES *pProps)
  38 {
  39         mp_iocdata_t                            mp_ioctl;
  40         mp_proprietary_loadbalance_prop_t       lbProps;
  41
  42         int ioctlStatus = 0;
  43
  44         MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  45
  46
  47         log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()", " - enter");
  48
  49
  50         log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()",
  51                 "oid.objectSequenceNumber = %llx",
  52                 oid.objectSequenceNumber);
  53
  54         if (g_scsi_vhci_fd < 0) {
  55                 log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()",
  56                     "invalid driver file handle");
  57                 log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties",
  58                         " - error exit");
  59                 return (MP_STATUS_FAILED);
  60         }
  61
  62         (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
  63         (void) memset(&lbProps, 0, sizeof (mp_proprietary_loadbalance_prop_t));
  64
  65         mp_ioctl.mp_cmd  = MP_GET_PROPRIETARY_LOADBALANCE_PROP;
  66         mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
  67         mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
  68         mp_ioctl.mp_obuf = (caddr_t)&lbProps;
  69         mp_ioctl.mp_olen = sizeof (mp_proprietary_loadbalance_prop_t);
  70         mp_ioctl.mp_xfer = MP_XFER_READ;
  71
  72         ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
  73
  74         log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()",
  75                 " IOCTL call returned: %d", ioctlStatus);
  76
  77         if (ioctlStatus < 0) {
  78                 ioctlStatus = errno;
  79         }
  80
  81         if (ioctlStatus != 0) {
  82                 log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()",
  83                     "IOCTL call failed.  IOCTL error is: %d",
  84                         ioctlStatus);
  85                 log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()",
  86                     "IOCTL call failed.  IOCTL error is: %s",
  87                         strerror(ioctlStatus));
  88                 log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()",
  89                     "IOCTL call failed.  mp_ioctl.mp_errno: %x",
  90                         mp_ioctl.mp_errno);
  91
  92                 if (ENOTSUP == ioctlStatus) {
  93                         mpStatus = MP_STATUS_UNSUPPORTED;
  94                 } else if (0 == mp_ioctl.mp_errno) {
  95                         mpStatus = MP_STATUS_FAILED;
  96                 } else {
  97                         mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
  98                 }
  99
 100                 log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()",
 101                         " - error exit");
 102
 103                 return (mpStatus);
 104         }
 105
 106         (void) memset(pProps, 0,
 107             sizeof (MP_PROPRIETARY_LOAD_BALANCE_PROPERTIES));
 108
 109         (void) mbstowcs(pProps->name, lbProps.name, 256);
 110
 111         /*
 112          *
 113          * Get:
 114          *
 115          * pProps->proprietaryPropertyCount &
 116          * pProps->proprietaryProperties
 117          *
 118          * when they are available
 119          *
 120          */
 121
 122         pProps->typeIndex = lbProps.typeIndex;
 123         (void) mbstowcs(pProps->vendorName, lbProps.vendorName, 256);
 124
 125
 126         log(LOG_INFO, "MP_GetProprietaryLoadBalanceProperties()", " - exit");
 127
 128         return (MP_STATUS_SUCCESS);
 129 }