/*
 * 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 (c) 2002-2003, Network Appliance, Inc. All rights reserved.
 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 *
 * MODULE: dapl_evd_enable.c
 *
 * PURPOSE: EVENT management
 *
 * Description: Interfaces in this file are completely defined in
 *              the uDAPL 1.1 API, Chapter 6, section 3
 *
 * $Id: dapl_evd_enable.c,v 1.9 2003/08/06 16:18:29 sjs2 Exp $
 */

#include "dapl.h"
#include "dapl_adapter_util.h"

/*
 * dapl_evd_enable
 *
 * DAPL Requirements Version xxx, 6.3.2.5
 *
 * Modify the size fo the event queue of an Event Dispatcher
 *
 * Input:
 *      evd_handle
 *
 * Output:
 *      none
 *
 * Returns:
 *      DAT_SUCCESS
 *      DAT_INVALID_HANDLE
 */

DAT_RETURN
dapl_evd_enable(
        IN      DAT_EVD_HANDLE     evd_handle)
{
        DAPL_EVD                *evd_ptr;
        DAT_RETURN              dat_status;

        evd_ptr = (DAPL_EVD *)evd_handle;
        dat_status = DAT_SUCCESS;

        if (DAPL_BAD_HANDLE(evd_handle, DAPL_MAGIC_EVD)) {
                dat_status = DAT_ERROR(DAT_INVALID_HANDLE, 0);
                goto bail;
        }

        evd_ptr->evd_enabled = DAT_TRUE;

        /* We need to enable the callback handler if there is a CNO.  */
        if (evd_ptr->cno_ptr != NULL &&
            evd_ptr->ib_cq_handle != IB_INVALID_HANDLE) {
                dat_status = DAPL_NOTIFY(evd_ptr)(
                    evd_ptr->ib_cq_handle, IB_NOTIFY_ON_NEXT_COMP, 0);

                /* FIXME report error */
                dapl_os_assert(dat_status == DAT_SUCCESS);
        }

bail:
        return (dat_status);
}