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

/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 *
 * MODULE: dapl_pz_create.c
 *
 * PURPOSE: Memory management
 * Description: Interfaces in this file are completely described in
 *      the DAPL 1.1 API, Chapter 6, section 6
 *
 * $Id: dapl_pz_create.c,v 1.7 2003/07/30 18:13:40 hobie16 Exp $
 */

#include "dapl_pz_util.h"
#include "dapl_adapter_util.h"

/*
 * dapl_pz_create
 *
 * DAPL Requirements Version xxx, 6.6.2.1
 *
 * Create an instance of a protection zone
 *
 * Input:
 *  ia_handle
 *
 * Output:
 *  pz_handle
 *
 * Returns:
 *  DAT_SUCCESS
 *  DAT_INSUFFICIENT_RESOURCES
 *  DAT_INVALID_PARAMETER
 */
DAT_RETURN
dapl_pz_create(
    IN  DAT_IA_HANDLE   ia_handle,
    OUT DAT_PZ_HANDLE   *pz_handle)
{
    DAPL_IA         *ia;
    DAPL_PZ         *pz;
    DAT_RETURN      dat_status;

    dapl_dbg_log(DAPL_DBG_TYPE_API,
        "dapl_pz_create (%p, %p)\n",
        ia_handle,
        pz_handle);

    dat_status = DAT_SUCCESS;
    if (DAPL_BAD_HANDLE(ia_handle, DAPL_MAGIC_IA)) {
        dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
            DAT_INVALID_HANDLE_IA);
        goto bail;
    }

    if (NULL == pz_handle) {
        dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
        goto bail;
    }

    ia = (DAPL_IA *)ia_handle;

    pz = dapl_pz_alloc(ia);
    if (pz == NULL) {
        dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
            DAT_RESOURCE_MEMORY);
        goto bail;
    }

    dat_status = dapls_ib_pd_alloc(ia, pz);

    if (dat_status != DAT_SUCCESS) {
        dapl_pz_dealloc(pz);
        pz = NULL;
    }

    *pz_handle = pz;

bail:
    return (dat_status);
}