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);
}