xref: /illumos-gate/usr/src/lib/udapl/udapl_tavor/common/dapl_cno_query.c (revision 9e39c5ba00a55fa05777cc94b148296af305e135)
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 2004 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 /*
32  *
33  * MODULE: dapl_cno_query.c
34  *
35  * PURPOSE: Return the consumer parameters of the CNO
36  * Description: Interfaces in this file are completely described in
37  *		the DAPL 1.1 API, Chapter 6, section 3.2.5
38  *
39  * $Id: dapl_cno_query.c,v 1.5 2003/06/16 17:53:32 sjs2 Exp $
40  */
41 
42 #include "dapl.h"
43 
44 /*
45  * dapl_cno_query
46  *
47  * DAPL Requirements Version xxx, 6.3.2.5
48  *
49  * Return the consumer parameters of the CNO
50  *
51  * Input:
52  *	cno_handle
53  *	cno_param_mask
54  *	cno_param
55  *
56  * Output:
57  *	cno_param
58  *
59  * Returns:
60  *	DAT_SUCCESS
61  *	DAT_INVALID_HANDLE
62  *	DAT_INVALID_PARAMETER
63  */
64 DAT_RETURN
dapl_cno_query(IN DAT_CNO_HANDLE cno_handle,IN DAT_CNO_PARAM_MASK cno_param_mask,OUT DAT_CNO_PARAM * cno_param)65 dapl_cno_query(
66 	IN	DAT_CNO_HANDLE		cno_handle,	/* cno_handle */
67 	IN	DAT_CNO_PARAM_MASK	cno_param_mask,	/* cno_param_mask */
68 	OUT	DAT_CNO_PARAM 		*cno_param)	/* cno_param */
69 {
70 	DAPL_CNO	 *cno_ptr;
71 	DAT_RETURN   dat_status;
72 
73 	dat_status = DAT_SUCCESS;
74 
75 	if (DAPL_BAD_HANDLE(cno_handle, DAPL_MAGIC_CNO)) {
76 		dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
77 		    DAT_INVALID_HANDLE_CNO);
78 		goto bail;
79 	}
80 
81 	/* check for invalid cno param mask */
82 	if (cno_param_mask & ~DAT_CNO_FIELD_ALL) {
83 		dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
84 		goto bail;
85 	}
86 
87 	if (NULL == cno_param) {
88 		dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
89 		goto bail;
90 	}
91 
92 	cno_ptr = (DAPL_CNO *)cno_handle;
93 	cno_param->ia_handle = cno_ptr->header.owner_ia;
94 	cno_param->agent = cno_ptr->cno_wait_agent;
95 
96 bail:
97 	return (dat_status);
98 }
99