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 2008 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 /*
32  *
33  * MODULE: dapl_evd_enable.c
34  *
35  * PURPOSE: EVENT management
36  *
37  * Description: Interfaces in this file are completely defined in
38  *              the uDAPL 1.1 API, Chapter 6, section 3
39  *
40  * $Id: dapl_evd_enable.c,v 1.9 2003/08/06 16:18:29 sjs2 Exp $
41  */
42 
43 #include "dapl.h"
44 #include "dapl_adapter_util.h"
45 
46 /*
47  * dapl_evd_enable
48  *
49  * DAPL Requirements Version xxx, 6.3.2.5
50  *
51  * Modify the size fo the event queue of an Event Dispatcher
52  *
53  * Input:
54  * 	evd_handle
55  *
56  * Output:
57  * 	none
58  *
59  * Returns:
60  * 	DAT_SUCCESS
61  * 	DAT_INVALID_HANDLE
62  */
63 
64 DAT_RETURN
dapl_evd_enable(IN DAT_EVD_HANDLE evd_handle)65 dapl_evd_enable(
66 	IN	DAT_EVD_HANDLE	   evd_handle)
67 {
68 	DAPL_EVD		*evd_ptr;
69 	DAT_RETURN		dat_status;
70 
71 	evd_ptr = (DAPL_EVD *)evd_handle;
72 	dat_status = DAT_SUCCESS;
73 
74 	if (DAPL_BAD_HANDLE(evd_handle, DAPL_MAGIC_EVD)) {
75 		dat_status = DAT_ERROR(DAT_INVALID_HANDLE, 0);
76 		goto bail;
77 	}
78 
79 	evd_ptr->evd_enabled = DAT_TRUE;
80 
81 	/* We need to enable the callback handler if there is a CNO.  */
82 	if (evd_ptr->cno_ptr != NULL &&
83 	    evd_ptr->ib_cq_handle != IB_INVALID_HANDLE) {
84 		dat_status = DAPL_NOTIFY(evd_ptr)(
85 		    evd_ptr->ib_cq_handle, IB_NOTIFY_ON_NEXT_COMP, 0);
86 
87 		/* FIXME report error */
88 		dapl_os_assert(dat_status == DAT_SUCCESS);
89 	}
90 
91 bail:
92 	return (dat_status);
93 }
94