usr/src/lib/mpapi/libmpscsi_vhci/common/MP_SetTPGAccess.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  *      Called by the common layer to request the plugin to set the
  38  *      access state for a list of target port groups.
  39  */
  40
  41 MP_STATUS
  42 MP_SetTPGAccess(MP_OID oid, MP_UINT32 count,
  43         MP_TPG_STATE_PAIR *pTpgStateList)
  44 {
  45
  46         MP_TPG_STATE_PAIR *head = pTpgStateList;
  47
  48         mp_iocdata_t            mp_ioctl;
  49         mp_set_tpg_state_req_t  setTpgStateRequest;
  50
  51         int r = 0;
  52
  53         int ioctlStatus = 0;
  54
  55         MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  56
  57
  58
  59         log(LOG_INFO, "MP_SetTPGAccess()", " - enter");
  60
  61
  62         if (NULL == pTpgStateList) {
  63
  64                 log(LOG_INFO, "MP_SetTPGAccess()",
  65                         "pTpgStateList is NULL");
  66
  67                 return (MP_STATUS_INVALID_PARAMETER);
  68         }
  69
  70
  71         if (g_scsi_vhci_fd < 0) {
  72                 log(LOG_INFO, "MP_SetTPGAccess()",
  73                     "invalid driver file handle");
  74                 log(LOG_INFO, "MP_SetTPGAccess()", " - error exit");
  75                 return (MP_STATUS_FAILED);
  76         }
  77
  78
  79         log(LOG_INFO, "MP_SetTPGAccess()",
  80                 "oid.ownerId = %d",
  81                 oid.ownerId);
  82
  83         log(LOG_INFO, "MP_SetTPGAccess()",
  84                 "oid.objectType = %d",
  85                 oid.objectType);
  86
  87         log(LOG_INFO, "MP_SetTPGAccess()",
  88                 "oid.objectSequenceNumber = %llx",
  89                 oid.objectSequenceNumber);
  90
  91
  92         log(LOG_INFO, "MP_SetTPGAccess()",
  93                 "count = %d",
  94                 count);
  95
  96
  97         for (r = 0; r < count; r++) {
  98
  99                 if (head->tpgOid.ownerId != g_pluginOwnerID) {
 100
 101                         log(LOG_INFO, "MP_SetTPGAccess()",
 102                                 "pTpgStateList->tpgOid.ownerId is not for"
 103                                 " this plugin");
 104
 105                         log(LOG_INFO, "MP_SetTPGAccess()",
 106                                 "error exit");
 107
 108                         return (MP_STATUS_INVALID_PARAMETER);
 109                 }
 110
 111                 if (head->tpgOid.objectType !=
 112                     MP_OBJECT_TYPE_TARGET_PORT_GROUP) {
 113
 114                         log(LOG_INFO, "MP_SetTPGAccess()",
 115                                 "pTpgStateList->tpgOid.objectType is not"
 116                                 " MP_OBJECT_TYPE_TARGET_PORT_GROUP");
 117
 118                         log(LOG_INFO, "MP_SetTPGAccess()",
 119                                 "error exit");
 120
 121                         return (MP_STATUS_INVALID_PARAMETER);
 122                 }
 123
 124
 125                 head++;
 126         }
 127
 128
 129         head = pTpgStateList;
 130
 131         for (r = 0; r < count; r++) {
 132
 133                 (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
 134                 (void) memset(&setTpgStateRequest, 0,
 135                     sizeof (mp_set_tpg_state_req_t));
 136
 137                 setTpgStateRequest.desiredState
 138                         = head->desiredState;
 139                 setTpgStateRequest.luTpgPair.luId
 140                         = oid.objectSequenceNumber;
 141                 setTpgStateRequest.luTpgPair.tpgId
 142                         = head->tpgOid.objectSequenceNumber;
 143
 144                 mp_ioctl.mp_cmd  = MP_SET_TPG_ACCESS_STATE;
 145                 mp_ioctl.mp_ibuf = (caddr_t)&setTpgStateRequest;
 146                 mp_ioctl.mp_ilen = sizeof (mp_set_tpg_state_req_t);
 147                 mp_ioctl.mp_xfer  = MP_XFER_WRITE;
 148
 149                 log(LOG_INFO, "MP_SetTPGAccess()",
 150                         "mp_ioctl.mp_cmd (MP_SET_TPG_ACCESS_STATE) : %d",
 151                         mp_ioctl.mp_cmd);
 152
 153                 log(LOG_INFO, "MP_SetTPGAccess()",
 154                         "setTpgStateRequest.luTpgPair.luId  = %llx",
 155                         setTpgStateRequest.luTpgPair.luId);
 156
 157                 log(LOG_INFO, "MP_SetTPGAccess()",
 158                         "setTpgStateRequest.luTpgPair.tpgId = %llx",
 159                         setTpgStateRequest.luTpgPair.tpgId);
 160
 161                 log(LOG_INFO, "MP_SetTPGAccess()",
 162                         "setTpgStateRequest.desiredState    = %d",
 163                         setTpgStateRequest.desiredState);
 164
 165                 ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
 166
 167                 log(LOG_INFO, "MP_SetTPGAccess()",
 168                         " IOCTL call returned: %d", ioctlStatus);
 169
 170                 if (ioctlStatus < 0) {
 171                         ioctlStatus = errno;
 172                 }
 173
 174                 if (ioctlStatus != 0) {
 175                         log(LOG_INFO, "MP_SetTPGAccess()",
 176                                 "IOCTL call failed.  IOCTL error is: %d",
 177                                 ioctlStatus);
 178                         log(LOG_INFO, "MP_SetTPGAccess()",
 179                                 "IOCTL call failed.  IOCTL error is: %s",
 180                                 strerror(ioctlStatus));
 181                         log(LOG_INFO, "MP_SetTPGAccess()",
 182                                 "IOCTL call failed.  mp_ioctl.mp_errno: %x",
 183                                 mp_ioctl.mp_errno);
 184
 185                         if (ENOTSUP == ioctlStatus) {
 186                                 mpStatus = MP_STATUS_UNSUPPORTED;
 187                         } else if (0 == mp_ioctl.mp_errno) {
 188                                 mpStatus = MP_STATUS_FAILED;
 189                         } else {
 190                                 mpStatus =
 191                                         getStatus4ErrorCode(mp_ioctl.mp_errno);
 192                         }
 193
 194                         log(LOG_INFO, "MP_SetTPGAccess()",
 195                                 " - error exit");
 196
 197                         return (mpStatus);
 198                 }
 199
 200                 head++;
 201         }
 202
 203
 204         log(LOG_INFO, "MP_SetTPGAccess()", " - exit");
 205
 206         return (MP_STATUS_SUCCESS);
 207 }