root/usr/src/lib/mpapi/libmpscsi_vhci/common/MP_GetPluginPropertiesPlugin.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include "mp_utils.h"

#include <string.h>
#include <syslog.h>
#include <errno.h>
#include <unistd.h>
#include <stropts.h>



MP_STATUS
MP_GetPluginPropertiesPlugin(MP_PLUGIN_PROPERTIES *pProps)
{
        mp_iocdata_t            mp_ioctl;
        mp_driver_prop_t        driverInfo;

        int ioctlStatus = 0;
        MP_STATUS mpStatus = MP_STATUS_SUCCESS;

        log(LOG_INFO, "MP_GetPluginPropertiesPlugin()", " - enter");

        if (g_scsi_vhci_fd < 0) {
                log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
                    "invalid driver file handle");
                return (MP_STATUS_FAILED);
        }

        (void) memset(pProps, 0, sizeof (MP_PLUGIN_PROPERTIES));
        (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
        (void) memset(&driverInfo, 0, sizeof (mp_driver_prop_t));

        mp_ioctl.mp_cmd  = MP_GET_DRIVER_PROP;
        mp_ioctl.mp_obuf = (caddr_t)&driverInfo;
        mp_ioctl.mp_olen = sizeof (mp_driver_prop_t);
        mp_ioctl.mp_xfer = MP_XFER_READ;

        ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);

        log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
                " IOCTL call returned: %d", ioctlStatus);

        if (ioctlStatus < 0) {
                ioctlStatus = errno;
        }

        if (ioctlStatus != 0) {
                log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
                    "IOCTL call failed.  IOCTL error is: %d",
                        ioctlStatus);
                log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
                    "IOCTL call failed.  IOCTL error is: %s",
                        strerror(ioctlStatus));
                log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
                    "IOCTL call failed.  mp_ioctl.mp_errno: %x",
                        mp_ioctl.mp_errno);

                if (ENOTSUP == ioctlStatus) {
                        mpStatus = MP_STATUS_UNSUPPORTED;
                } else if (0 == mp_ioctl.mp_errno) {
                        mpStatus = MP_STATUS_FAILED;
                } else {
                        mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
                }

                log(LOG_INFO, "MP_GetPluginPropertiesPlugin()",
                        " - error exit");

                return (mpStatus);
        }

        (void) wcsncpy(pProps->vendor, L"Sun Microsystems", 255);

        pProps->autoFailbackSupport = driverInfo.autoFailbackSupport;
        pProps->autoProbingSupport  = driverInfo.autoProbingSupport;

#ifdef BUILD_TIME
        (void) mbstowcs(pProps->buildTime, BUILD_TIME, 256);
#endif

        pProps->canOverridePaths = driverInfo.canOverridePaths;
        pProps->canSetTPGAccess  = driverInfo.canSetTPGAccess;
        pProps->currentFailbackPollingRate =
                driverInfo.currentFailbackPollingRate;
        pProps->currentProbingPollingRate  =
                driverInfo.currentProbingPollingRate;
        pProps->defaultloadBalanceType =
                driverInfo.defaultLoadBalanceType;

        (void) strncpy(pProps->deviceFileNamespace,
            driverInfo.deviceFileNamespace, 255);

        (void) strncpy(pProps->driverName, "scsi_vhci", 255);

        (void) wcsncpy(pProps->driverVendor, L"Sun Microsystems", 255);

        (void) mbstowcs(pProps->driverVersion, driverInfo.driverVersion, 256);

        pProps->exposesPathDeviceFiles = driverInfo.exposesPathDeviceFiles;
        pProps->failbackPollingRateMax = driverInfo.failbackPollingRateMax;

        (void) strncpy(pProps->fileName, "libmpscsi_vhci.so", 255);

        (void) wcsncpy(pProps->implementationVersion, L"1.0.0.0", 255);

        pProps->maximumWeight = driverInfo.maximumWeight;
        pProps->onlySupportsSpecifiedProducts =
                driverInfo.onlySupportsSpecifiedProducts;

        pProps->pluginAutoFailbackEnabled = driverInfo.autoFailbackEnabled;
        pProps->pluginAutoProbingEnabled  = driverInfo.autoProbingEnabled;

        pProps->probingPollingRateMax = driverInfo.probingPollingRateMax;

        pProps->supportedLoadBalanceTypes =
                driverInfo.supportedLoadBalanceTypes;
        pProps->supportedMpVersion = MP_LIBVERSION;


        log(LOG_INFO, "MP_GetPluginPropertiesPlugin()", " - exit");

        return (MP_STATUS_SUCCESS);
}