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_get_consumer_context.c
34  *
35  * PURPOSE: Interface Adapter management
36  * Description: Interfaces in this file are completely described in
37  *		the DAPL 1.1 API, Chapter 6, section 2
38  *
39  * $Id: dapl_get_consumer_context.c,v 1.5 2003/08/20 13:50:45 sjs2 Exp $
40  */
41 
42 #include "dapl.h"
43 
44 /*
45  * dapl_get_consumer_context
46  *
47  * DAPL Requirements Version xxx, 6.2.2.2
48  *
49  * Gets the consumer context from the specified dat_object
50  *
51  * Input:
52  *	dat_handle
53  *
54  * Output:
55  *	context
56  *
57  * Returns:
58  * 	DAT_SUCCESS
59  * 	DAT_INVALID_PARAMETER
60  */
61 DAT_RETURN
dapl_get_consumer_context(IN DAT_HANDLE dat_handle,OUT DAT_CONTEXT * context)62 dapl_get_consumer_context(
63 	IN	DAT_HANDLE	dat_handle,
64 	OUT	DAT_CONTEXT	*context)
65 {
66 	DAT_RETURN	dat_status;
67 	DAPL_HEADER	*header;
68 
69 	dat_status = DAT_SUCCESS;
70 
71 	header = (DAPL_HEADER *)dat_handle;
72 	if (((header) == NULL) ||
73 	    ((unsigned long)(header) & 3) ||
74 	    (header->magic != DAPL_MAGIC_IA &&
75 	    header->magic != DAPL_MAGIC_EVD &&
76 	    header->magic != DAPL_MAGIC_EP &&
77 	    header->magic != DAPL_MAGIC_LMR &&
78 	    header->magic != DAPL_MAGIC_RMR &&
79 	    header->magic != DAPL_MAGIC_PZ &&
80 	    header->magic != DAPL_MAGIC_PSP &&
81 	    header->magic != DAPL_MAGIC_RSP &&
82 	    header->magic != DAPL_MAGIC_CR)) {
83 		dat_status = DAT_ERROR(DAT_INVALID_HANDLE, 0);
84 		goto bail;
85 	}
86 	*context = header->user_context;
87 
88 bail:
89 	return (dat_status);
90 }
91