usr/src/lib/mpapi/libmpscsi_vhci/common/MP_GetPluginPropertiesPlugin.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 "mp_utils.h"
  27
  28 #include <string.h>
  29 #include <syslog.h>
  30 #include <errno.h>
  31 #include <unistd.h>
  32 #include <stropts.h>
  33
  34
  35
  36 MP_STATUS
  37 MP_GetPluginPropertiesPlugin(MP_PLUGIN_PROPERTIES *pProps)
  38 {
  39         mp_iocdata_t            mp_ioctl;
  40         mp_driver_prop_t        driverInfo;
  41
  42         int ioctlStatus = 0;
  43         MP_STATUS mpStatus = MP_STATUS_SUCCESS;
  44
  45         log(LOG_INFO, "MP_GetPluginPropertiesPlugin()", " - enter");
  46
  47         if (g_scsi_vhci_fd < 0) {
  48                 log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
  49                     "invalid driver file handle");
  50                 return (MP_STATUS_FAILED);
  51         }
  52
  53         (void) memset(pProps, 0, sizeof (MP_PLUGIN_PROPERTIES));
  54         (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
  55         (void) memset(&driverInfo, 0, sizeof (mp_driver_prop_t));
  56
  57         mp_ioctl.mp_cmd  = MP_GET_DRIVER_PROP;
  58         mp_ioctl.mp_obuf = (caddr_t)&driverInfo;
  59         mp_ioctl.mp_olen = sizeof (mp_driver_prop_t);
  60         mp_ioctl.mp_xfer = MP_XFER_READ;
  61
  62         ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
  63
  64         log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
  65                 " IOCTL call returned: %d", ioctlStatus);
  66
  67         if (ioctlStatus < 0) {
  68                 ioctlStatus = errno;
  69         }
  70
  71         if (ioctlStatus != 0) {
  72                 log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
  73                     "IOCTL call failed.  IOCTL error is: %d",
  74                         ioctlStatus);
  75                 log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
  76                     "IOCTL call failed.  IOCTL error is: %s",
  77                         strerror(ioctlStatus));
  78                 log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
  79                     "IOCTL call failed.  mp_ioctl.mp_errno: %x",
  80                         mp_ioctl.mp_errno);
  81
  82                 if (ENOTSUP == ioctlStatus) {
  83                         mpStatus = MP_STATUS_UNSUPPORTED;
  84                 } else if (0 == mp_ioctl.mp_errno) {
  85                         mpStatus = MP_STATUS_FAILED;
  86                 } else {
  87                         mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
  88                 }
  89
  90                 log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
  91                         " - error exit");
  92
  93                 return (mpStatus);
  94         }
  95
  96         (void) wcsncpy(pProps->vendor, L"Sun Microsystems", 255);
  97
  98         pProps->autoFailbackSupport = driverInfo.autoFailbackSupport;
  99         pProps->autoProbingSupport  = driverInfo.autoProbingSupport;
 100
 101 #ifdef BUILD_TIME
 102         (void) mbstowcs(pProps->buildTime, BUILD_TIME, 256);
 103 #endif
 104
 105         pProps->canOverridePaths = driverInfo.canOverridePaths;
 106         pProps->canSetTPGAccess  = driverInfo.canSetTPGAccess;
 107         pProps->currentFailbackPollingRate =
 108                 driverInfo.currentFailbackPollingRate;
 109         pProps->currentProbingPollingRate  =
 110                 driverInfo.currentProbingPollingRate;
 111         pProps->defaultloadBalanceType =
 112                 driverInfo.defaultLoadBalanceType;
 113
 114         (void) strncpy(pProps->deviceFileNamespace,
 115             driverInfo.deviceFileNamespace, 255);
 116
 117         (void) strncpy(pProps->driverName, "scsi_vhci", 255);
 118
 119         (void) wcsncpy(pProps->driverVendor, L"Sun Microsystems", 255);
 120
 121         (void) mbstowcs(pProps->driverVersion, driverInfo.driverVersion, 256);
 122
 123         pProps->exposesPathDeviceFiles = driverInfo.exposesPathDeviceFiles;
 124         pProps->failbackPollingRateMax = driverInfo.failbackPollingRateMax;
 125
 126         (void) strncpy(pProps->fileName, "libmpscsi_vhci.so", 255);
 127
 128         (void) wcsncpy(pProps->implementationVersion, L"1.0.0.0", 255);
 129
 130         pProps->maximumWeight = driverInfo.maximumWeight;
 131         pProps->onlySupportsSpecifiedProducts =
 132                 driverInfo.onlySupportsSpecifiedProducts;
 133
 134         pProps->pluginAutoFailbackEnabled = driverInfo.autoFailbackEnabled;
 135         pProps->pluginAutoProbingEnabled  = driverInfo.autoProbingEnabled;
 136
 137         pProps->probingPollingRateMax = driverInfo.probingPollingRateMax;
 138
 139         pProps->supportedLoadBalanceTypes =
 140                 driverInfo.supportedLoadBalanceTypes;
 141         pProps->supportedMpVersion = MP_LIBVERSION;
 142
 143
 144         log(LOG_INFO, "MP_GetPluginPropertiesPlugin()", " - exit");
 145
 146         return (MP_STATUS_SUCCESS);
 147 }