usr/src/lib/mpapi/libmpscsi_vhci/common/MP_DisablePath.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 #include "mp_utils.h"
  32
  33
  34 /*
  35  *      Called by the common layer to request to disable a path
  36  */
  37
  38 MP_STATUS
  39 MP_DisablePath(MP_OID oid)
  40 {
  41         mp_iocdata_t mp_ioctl;
  42
  43         int ioctlStatus = 0;
  44
  45         MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  46
  47
  48
  49         log(LOG_INFO, "MP_DisablePath()", " - enter");
  50
  51
  52         log(LOG_INFO, "MP_DisablePath()",
  53                 "oid.objectSequenceNumber = %llx",
  54                 oid.objectSequenceNumber);
  55
  56         if (g_scsi_vhci_fd < 0) {
  57                 log(LOG_INFO, "MP_DisablePath()",
  58                     "invalid driver file handle");
  59                 log(LOG_INFO, "MP_DisablePath()", " - error exit");
  60                 return (MP_STATUS_FAILED);
  61         }
  62
  63         (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
  64
  65         mp_ioctl.mp_cmd  = MP_DISABLE_PATH;
  66         mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
  67         mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
  68         mp_ioctl.mp_xfer =  MP_XFER_WRITE;
  69
  70         log(LOG_INFO, "MP_DisablePath()",
  71                 "mp_ioctl.mp_cmd (MP_DISABLE_PATH) : %d",
  72                 mp_ioctl.mp_cmd);
  73
  74         ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
  75
  76         log(LOG_INFO, "MP_DisablePath()",
  77                 " IOCTL call returned: %d", ioctlStatus);
  78
  79         if (ioctlStatus < 0) {
  80                 ioctlStatus = errno;
  81         }
  82
  83         if (ioctlStatus != 0) {
  84                 log(LOG_INFO, "MP_DisablePath()",
  85                     "IOCTL call failed.  IOCTL error is: %d",
  86                         ioctlStatus);
  87                 log(LOG_INFO, "MP_DisablePath()",
  88                     "IOCTL call failed.  IOCTL error is: %s",
  89                         strerror(ioctlStatus));
  90                 log(LOG_INFO, "MP_DisablePath()",
  91                     "IOCTL call failed.  mp_ioctl.mp_errno: %x",
  92                         mp_ioctl.mp_errno);
  93
  94                 if (ENOTSUP == ioctlStatus) {
  95                         mpStatus = MP_STATUS_UNSUPPORTED;
  96                 } else if (0 == mp_ioctl.mp_errno) {
  97                         mpStatus = MP_STATUS_FAILED;
  98                 } else {
  99                         mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
 100                 }
 101
 102                 log(LOG_INFO, "MP_DisablePath()",
 103                         " - error exit");
 104
 105                 return (mpStatus);
 106         }
 107
 108
 109         log(LOG_INFO, "MP_DisablePath()", " - exit");
 110
 111         return (MP_STATUS_SUCCESS);
 112 }