19e39c5baSBill Taylor /*
29e39c5baSBill Taylor * CDDL HEADER START
39e39c5baSBill Taylor *
49e39c5baSBill Taylor * The contents of this file are subject to the terms of the
59e39c5baSBill Taylor * Common Development and Distribution License (the "License").
69e39c5baSBill Taylor * You may not use this file except in compliance with the License.
79e39c5baSBill Taylor *
89e39c5baSBill Taylor * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
99e39c5baSBill Taylor * or http://www.opensolaris.org/os/licensing.
109e39c5baSBill Taylor * See the License for the specific language governing permissions
119e39c5baSBill Taylor * and limitations under the License.
129e39c5baSBill Taylor *
139e39c5baSBill Taylor * When distributing Covered Code, include this CDDL HEADER in each
149e39c5baSBill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
159e39c5baSBill Taylor * If applicable, add the following below this CDDL HEADER, with the
169e39c5baSBill Taylor * fields enclosed by brackets "[]" replaced with your own identifying
179e39c5baSBill Taylor * information: Portions Copyright [yyyy] [name of copyright owner]
189e39c5baSBill Taylor *
199e39c5baSBill Taylor * CDDL HEADER END
209e39c5baSBill Taylor */
219e39c5baSBill Taylor
229e39c5baSBill Taylor /*
239e39c5baSBill Taylor * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
249e39c5baSBill Taylor */
259e39c5baSBill Taylor
269e39c5baSBill Taylor /*
279e39c5baSBill Taylor * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
289e39c5baSBill Taylor * Use is subject to license terms.
299e39c5baSBill Taylor */
309e39c5baSBill Taylor
319e39c5baSBill Taylor /*
329e39c5baSBill Taylor *
339e39c5baSBill Taylor * MODULE: dapl_rmr_free.c
349e39c5baSBill Taylor *
359e39c5baSBill Taylor * PURPOSE: Memory management
369e39c5baSBill Taylor * Description: Interfaces in this file are completely described in
379e39c5baSBill Taylor * the DAPL 1.1 API, Chapter 6, section 6
389e39c5baSBill Taylor *
399e39c5baSBill Taylor */
409e39c5baSBill Taylor
419e39c5baSBill Taylor #include "dapl_rmr_util.h"
429e39c5baSBill Taylor #include "dapl_adapter_util.h"
439e39c5baSBill Taylor #include "dapl_ia_util.h"
449e39c5baSBill Taylor
459e39c5baSBill Taylor /*
469e39c5baSBill Taylor * dapl_rmr_free
479e39c5baSBill Taylor *
489e39c5baSBill Taylor * DAPL Requirements Version xxx, 6.6.4.2
499e39c5baSBill Taylor *
509e39c5baSBill Taylor * Destroy an instance of the Remote Memory Region
519e39c5baSBill Taylor *
529e39c5baSBill Taylor * Input:
539e39c5baSBill Taylor * rmr_handle
549e39c5baSBill Taylor *
559e39c5baSBill Taylor * Output:
569e39c5baSBill Taylor * none
579e39c5baSBill Taylor *
589e39c5baSBill Taylor * Returns:
599e39c5baSBill Taylor * DAT_SUCCESS
609e39c5baSBill Taylor * DAT_INVALID_PARAMETER
619e39c5baSBill Taylor */
629e39c5baSBill Taylor DAT_RETURN
dapl_rmr_free(IN DAT_RMR_HANDLE rmr_handle)639e39c5baSBill Taylor dapl_rmr_free(IN DAT_RMR_HANDLE rmr_handle)
649e39c5baSBill Taylor {
659e39c5baSBill Taylor DAPL_RMR *rmr;
669e39c5baSBill Taylor DAT_RETURN dat_status;
679e39c5baSBill Taylor
689e39c5baSBill Taylor dat_status = DAT_SUCCESS;
699e39c5baSBill Taylor
709e39c5baSBill Taylor if (DAPL_BAD_HANDLE(rmr_handle, DAPL_MAGIC_RMR)) {
719e39c5baSBill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
729e39c5baSBill Taylor DAT_INVALID_HANDLE_RMR);
739e39c5baSBill Taylor goto bail;
749e39c5baSBill Taylor }
759e39c5baSBill Taylor
769e39c5baSBill Taylor rmr = (DAPL_RMR *)rmr_handle;
779e39c5baSBill Taylor
789e39c5baSBill Taylor /*
799e39c5baSBill Taylor * If the user did not perform an unbind op, release
809e39c5baSBill Taylor * counts here.
819e39c5baSBill Taylor */
829e39c5baSBill Taylor if (rmr->param.lmr_triplet.virtual_address != 0) {
83*fb4cdc19SToomas Soome dapl_os_atomic_dec(&rmr->lmr->lmr_ref_count);
849e39c5baSBill Taylor rmr->param.lmr_triplet.virtual_address = 0;
859e39c5baSBill Taylor }
869e39c5baSBill Taylor
879e39c5baSBill Taylor dat_status = dapls_ib_mw_free(rmr);
889e39c5baSBill Taylor
899e39c5baSBill Taylor if (dat_status != DAT_SUCCESS) {
909e39c5baSBill Taylor goto bail;
919e39c5baSBill Taylor }
929e39c5baSBill Taylor
939e39c5baSBill Taylor dapl_os_atomic_dec(&rmr->pz->pz_ref_count);
949e39c5baSBill Taylor
959e39c5baSBill Taylor dapl_rmr_dealloc(rmr);
969e39c5baSBill Taylor
979e39c5baSBill Taylor bail:
989e39c5baSBill Taylor return (dat_status);
999e39c5baSBill Taylor }
100