xref: /illumos-gate/usr/src/lib/sun_fc/common/Sun_fcRegisterForTargetEvents.cc (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 
27 
28 #include "Trace.h"
29 #include "Exceptions.h"
30 #include "Handle.h"
31 #include "HBA.h"
32 #include "TargetEventListener.h"
33 #include "sun_fc.h"
34 #include "EventBridgeFactory.h"
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 /**
40  * @memo	    Register for Target Event callbacks
41  * @return	    HBA_STATUS_OK if callback is registered
42  * @param	    callback The routine to call when the event occurs
43  * @param	    userData Opaque data to pass to the callback when the event
44  *		    occurs.
45  * @param	    callbackHandle Output argument used for later removal of
46  *		    subscription.
47  * @param	    hbaPortWWN Identifies the HBA port of interest
48  * @param	    discoveredPortWWN Identifies the requested target port
49  * @param	    allTargets If non-zero, indicates subscription is for
50  *		    all targets, and the discoveredPortWWN argument is ignored
51  */
52 HBA_STATUS Sun_fcRegisterForTargetEvents(
53 	    void		(*callback)(
54 		void		*data,
55 		HBA_WWN		hbaPortWWN,
56 		HBA_WWN		discoveredPortWWN,
57 		HBA_UINT32	eventType),
58 	    void		*userData,
59 	    HBA_HANDLE		handle,
60 	    HBA_WWN		hbaPortWWN,
61 	    HBA_WWN		discoveredPortWWN,
62 	    HBA_CALLBACKHANDLE	*callbackHandle,
63 	    HBA_UINT32		allTargets) {
64 	Trace log("Sun_fcRegisterForTargetEvents");
65 	bool filter = true;
66 	try {
67 	    if (callback == NULL) throw BadArgumentException();
68 	    if (callbackHandle == NULL) throw BadArgumentException();
69 	    if (allTargets) filter = false;
70 	    Handle *myHandle = Handle::findHandle(handle);
71 	    HBA *hba = myHandle->getHBA();
72 	    HBAPort *port = hba->getPort(wwnConversion(hbaPortWWN.wwn));
73 	    TargetEventListener *listener = new TargetEventListener(port,
74 		    (TargetCallback)callback, userData,
75 		    wwnConversion(discoveredPortWWN.wwn), filter);
76 	    TargetEventBridge *bridge =
77 		    EventBridgeFactory::fetchTargetEventBridge();
78 	    bridge->addListener(listener, port,
79 		wwnConversion(discoveredPortWWN.wwn), filter);
80 	    *callbackHandle = (void *)listener;
81 	    return (HBA_STATUS_OK);
82 	} catch (HBAException &e) {
83 	    return (e.getErrorCode());
84 	} catch (...) {
85 	    log.internalError(
86 		"Uncaught exception");
87 	    return (HBA_STATUS_ERROR);
88 	}
89 }
90 #ifdef	__cplusplus
91 }
92 #endif
93