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_create.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 
449e39c5baSBill Taylor /*
459e39c5baSBill Taylor  * dapl_rmr_create
469e39c5baSBill Taylor  *
479e39c5baSBill Taylor  * DAPL Requirements Version xxx, 6.6.4.1
489e39c5baSBill Taylor  *
499e39c5baSBill Taylor  * Create a remote memory region for the specified protection zone
509e39c5baSBill Taylor  *
519e39c5baSBill Taylor  * Input:
529e39c5baSBill Taylor  * 	pz_handle
539e39c5baSBill Taylor  *
549e39c5baSBill Taylor  * Output:
559e39c5baSBill Taylor  * 	rmr_handle
569e39c5baSBill Taylor  *
579e39c5baSBill Taylor  * Returns:
589e39c5baSBill Taylor  * 	DAT_SUCCESS
599e39c5baSBill Taylor  * 	DAT_INSUFFICIENT_RESOURCES
609e39c5baSBill Taylor  * 	DAT_INVALID_PARAMETER
619e39c5baSBill Taylor  */
629e39c5baSBill Taylor DAT_RETURN
dapl_rmr_create(IN DAT_PZ_HANDLE pz_handle,OUT DAT_RMR_HANDLE * rmr_handle)639e39c5baSBill Taylor dapl_rmr_create(IN DAT_PZ_HANDLE pz_handle,
64*fb4cdc19SToomas Soome     OUT DAT_RMR_HANDLE * rmr_handle)
659e39c5baSBill Taylor {
669e39c5baSBill Taylor 	DAPL_PZ *pz;
679e39c5baSBill Taylor 	DAPL_RMR *rmr;
689e39c5baSBill Taylor 	DAT_RETURN dat_status;
699e39c5baSBill Taylor 
709e39c5baSBill Taylor 	dat_status = DAT_SUCCESS;
719e39c5baSBill Taylor 
729e39c5baSBill Taylor 	if (DAPL_BAD_HANDLE(pz_handle, DAPL_MAGIC_PZ)) {
739e39c5baSBill Taylor 		dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
749e39c5baSBill Taylor 		    DAT_INVALID_HANDLE_PZ);
759e39c5baSBill Taylor 		goto bail;
769e39c5baSBill Taylor 	}
779e39c5baSBill Taylor 
789e39c5baSBill Taylor 	pz = (DAPL_PZ *) pz_handle;
799e39c5baSBill Taylor 
809e39c5baSBill Taylor 	rmr = dapl_rmr_alloc(pz);
819e39c5baSBill Taylor 
829e39c5baSBill Taylor 	if (rmr == NULL) {
839e39c5baSBill Taylor 		dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
849e39c5baSBill Taylor 		    DAT_RESOURCE_MEMORY);
859e39c5baSBill Taylor 		goto bail;
869e39c5baSBill Taylor 	}
879e39c5baSBill Taylor 
889e39c5baSBill Taylor 	dat_status = dapls_ib_mw_alloc(rmr);
899e39c5baSBill Taylor 
909e39c5baSBill Taylor 	if (dat_status != DAT_SUCCESS) {
919e39c5baSBill Taylor 		dapl_rmr_dealloc(rmr);
929e39c5baSBill Taylor 		dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
939e39c5baSBill Taylor 		    DAT_RESOURCE_MEMORY_REGION);
949e39c5baSBill Taylor 		goto bail;
959e39c5baSBill Taylor 	}
969e39c5baSBill Taylor 
97*fb4cdc19SToomas Soome 	dapl_os_atomic_inc(&pz->pz_ref_count);
989e39c5baSBill Taylor 
999e39c5baSBill Taylor 	*rmr_handle = rmr;
1009e39c5baSBill Taylor 
1019e39c5baSBill Taylor bail:
1029e39c5baSBill Taylor 	return (dat_status);
1039e39c5baSBill Taylor }
104