/*
* 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_create.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"
/*
* dapl_rmr_create
*
* DAPL Requirements Version xxx, 6.6.4.1
*
* Create a remote memory region for the specified protection zone
*
* Input:
* pz_handle
*
* Output:
* rmr_handle
*
* Returns:
* DAT_SUCCESS
* DAT_INSUFFICIENT_RESOURCES
* DAT_INVALID_PARAMETER
*/
DAT_RETURN
dapl_rmr_create(IN DAT_PZ_HANDLE pz_handle,
OUT DAT_RMR_HANDLE * rmr_handle)
{
DAPL_PZ *pz;
DAPL_RMR *rmr;
DAT_RETURN dat_status;
dat_status = DAT_SUCCESS;
if (DAPL_BAD_HANDLE(pz_handle, DAPL_MAGIC_PZ)) {
dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
DAT_INVALID_HANDLE_PZ);
goto bail;
}
pz = (DAPL_PZ *) pz_handle;
rmr = dapl_rmr_alloc(pz);
if (rmr == NULL) {
dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
DAT_RESOURCE_MEMORY);
goto bail;
}
dat_status = dapls_ib_mw_alloc(rmr);
if (dat_status != DAT_SUCCESS) {
dapl_rmr_dealloc(rmr);
dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
DAT_RESOURCE_MEMORY_REGION);
goto bail;
}
(void) dapl_os_atomic_inc(&pz->pz_ref_count);
*rmr_handle = rmr;
bail:
return (dat_status);
}