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


#include "mp_utils.h"


/*
 *      Called by the common layer to request the plugin to set the
 *      access state for a list of target port groups.
 */

MP_STATUS
MP_SetTPGAccess(MP_OID oid, MP_UINT32 count,
        MP_TPG_STATE_PAIR *pTpgStateList)
{

        MP_TPG_STATE_PAIR *head = pTpgStateList;

        mp_iocdata_t            mp_ioctl;
        mp_set_tpg_state_req_t  setTpgStateRequest;

        int r = 0;

        int ioctlStatus = 0;

        MP_STATUS mpStatus = MP_STATUS_SUCCESS;



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


        if (NULL == pTpgStateList) {

                log(LOG_INFO, "MP_SetTPGAccess()",
                        "pTpgStateList is NULL");

                return (MP_STATUS_INVALID_PARAMETER);
        }


        if (g_scsi_vhci_fd < 0) {
                log(LOG_INFO, "MP_SetTPGAccess()",
                    "invalid driver file handle");
                log(LOG_INFO, "MP_SetTPGAccess()", " - error exit");
                return (MP_STATUS_FAILED);
        }


        log(LOG_INFO, "MP_SetTPGAccess()",
                "oid.ownerId = %d",
                oid.ownerId);

        log(LOG_INFO, "MP_SetTPGAccess()",
                "oid.objectType = %d",
                oid.objectType);

        log(LOG_INFO, "MP_SetTPGAccess()",
                "oid.objectSequenceNumber = %llx",
                oid.objectSequenceNumber);


        log(LOG_INFO, "MP_SetTPGAccess()",
                "count = %d",
                count);


        for (r = 0; r < count; r++) {

                if (head->tpgOid.ownerId != g_pluginOwnerID) {

                        log(LOG_INFO, "MP_SetTPGAccess()",
                                "pTpgStateList->tpgOid.ownerId is not for"
                                " this plugin");

                        log(LOG_INFO, "MP_SetTPGAccess()",
                                "error exit");

                        return (MP_STATUS_INVALID_PARAMETER);
                }

                if (head->tpgOid.objectType !=
                    MP_OBJECT_TYPE_TARGET_PORT_GROUP) {

                        log(LOG_INFO, "MP_SetTPGAccess()",
                                "pTpgStateList->tpgOid.objectType is not"
                                " MP_OBJECT_TYPE_TARGET_PORT_GROUP");

                        log(LOG_INFO, "MP_SetTPGAccess()",
                                "error exit");

                        return (MP_STATUS_INVALID_PARAMETER);
                }


                head++;
        }


        head = pTpgStateList;

        for (r = 0; r < count; r++) {

                (void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
                (void) memset(&setTpgStateRequest, 0,
                    sizeof (mp_set_tpg_state_req_t));

                setTpgStateRequest.desiredState
                        = head->desiredState;
                setTpgStateRequest.luTpgPair.luId
                        = oid.objectSequenceNumber;
                setTpgStateRequest.luTpgPair.tpgId
                        = head->tpgOid.objectSequenceNumber;

                mp_ioctl.mp_cmd  = MP_SET_TPG_ACCESS_STATE;
                mp_ioctl.mp_ibuf = (caddr_t)&setTpgStateRequest;
                mp_ioctl.mp_ilen = sizeof (mp_set_tpg_state_req_t);
                mp_ioctl.mp_xfer  = MP_XFER_WRITE;

                log(LOG_INFO, "MP_SetTPGAccess()",
                        "mp_ioctl.mp_cmd (MP_SET_TPG_ACCESS_STATE) : %d",
                        mp_ioctl.mp_cmd);

                log(LOG_INFO, "MP_SetTPGAccess()",
                        "setTpgStateRequest.luTpgPair.luId  = %llx",
                        setTpgStateRequest.luTpgPair.luId);

                log(LOG_INFO, "MP_SetTPGAccess()",
                        "setTpgStateRequest.luTpgPair.tpgId = %llx",
                        setTpgStateRequest.luTpgPair.tpgId);

                log(LOG_INFO, "MP_SetTPGAccess()",
                        "setTpgStateRequest.desiredState    = %d",
                        setTpgStateRequest.desiredState);

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

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

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

                if (ioctlStatus != 0) {
                        log(LOG_INFO, "MP_SetTPGAccess()",
                                "IOCTL call failed.  IOCTL error is: %d",
                                ioctlStatus);
                        log(LOG_INFO, "MP_SetTPGAccess()",
                                "IOCTL call failed.  IOCTL error is: %s",
                                strerror(ioctlStatus));
                        log(LOG_INFO, "MP_SetTPGAccess()",
                                "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_SetTPGAccess()",
                                " - error exit");

                        return (mpStatus);
                }

                head++;
        }


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

        return (MP_STATUS_SUCCESS);
}