dapl_rmr_free.c revision 9e39c5ba00a55fa05777cc94b148296af305e135
/*
* 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_rmr_free.c
*
* PURPOSE: Memory management
* Description: Interfaces in this file are completely described in
* the DAPL 1.1 API, Chapter 6, section 6
*
*/
#include "dapl_rmr_util.h"
#include "dapl_adapter_util.h"
#include "dapl_ia_util.h"
/*
* dapl_rmr_free
*
* DAPL Requirements Version xxx, 6.6.4.2
*
* Destroy an instance of the Remote Memory Region
*
* Input:
* rmr_handle
*
* Output:
* none
*
* Returns:
* DAT_SUCCESS
* DAT_INVALID_PARAMETER
*/
DAT_RETURN
dapl_rmr_free(IN DAT_RMR_HANDLE rmr_handle)
{
DAPL_RMR *rmr;
DAT_RETURN dat_status;
dat_status = DAT_SUCCESS;
if (DAPL_BAD_HANDLE(rmr_handle, DAPL_MAGIC_RMR)) {
dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
DAT_INVALID_HANDLE_RMR);
goto bail;
}
rmr = (DAPL_RMR *)rmr_handle;
/*
* If the user did not perform an unbind op, release
* counts here.
*/
if (rmr->param.lmr_triplet.virtual_address != 0) {
(void) dapl_os_atomic_dec(&rmr->lmr->lmr_ref_count);
rmr->param.lmr_triplet.virtual_address = 0;
}
dat_status = dapls_ib_mw_free(rmr);
if (dat_status != DAT_SUCCESS) {
goto bail;
}
dapl_os_atomic_dec(&rmr->pz->pz_ref_count);
dapl_rmr_dealloc(rmr);
bail:
return (dat_status);
}