dapl_pz_free.c revision 9517:b4839b0aa7a4 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
24 */
25
26/*
27 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31/*
32 *
33 * MODULE: dapl_pz_create.c
34 *
35 * PURPOSE: Memory management
36 * Description: Interfaces in this file are completely described in
37 *		the DAPL 1.1 API, Chapter 6, section 6
38 *
39 * $Id: dapl_pz_free.c,v 1.9 2003/07/30 18:13:40 hobie16 Exp $
40 */
41
42#include "dapl.h"
43#include "dapl_pz_util.h"
44#include "dapl_adapter_util.h"
45#include "dapl_ia_util.h"
46
47/*
48 * dapl_pz_free
49 *
50 * DAPL Requirements Version xxx, 6.6.2.1
51 *
52 * Remove an instance of a protection zone
53 *
54 * Input:
55 * 	pz_handle
56 *
57 * Output:
58 * 	None.
59 *
60 * Returns:
61 * 	DAT_SUCCESS
62 * 	DAT_INVALID_PARAMETER
63 * 	DAT_INVALID_STATE
64 */
65DAT_RETURN
66dapl_pz_free(
67	IN	DAT_PZ_HANDLE	pz_handle)
68{
69	DAPL_PZ		*pz;
70	DAT_RETURN	dat_status;
71
72	dapl_dbg_log(DAPL_DBG_TYPE_API, "dapl_pz_free(%p)\n", pz_handle);
73
74	dat_status = DAT_SUCCESS;
75	if (DAPL_BAD_HANDLE(pz_handle, DAPL_MAGIC_PZ)) {
76		dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
77		    DAT_INVALID_HANDLE_PZ);
78		goto bail;
79	}
80
81	pz = (DAPL_PZ *)pz_handle;
82
83	if (0 != pz->pz_ref_count) {
84		dat_status = DAT_ERROR(DAT_INVALID_STATE,
85		    DAT_INVALID_STATE_PZ_IN_USE);
86		goto bail;
87	}
88
89	dat_status = dapls_ib_pd_free(pz);
90
91	if (dat_status == DAT_SUCCESS) {
92		dapl_pz_dealloc(pz);
93	}
94
95bail:
96	return (dat_status);
97}
98