1*fcf3ce44SJohn Forte /*
2*fcf3ce44SJohn Forte  * CDDL HEADER START
3*fcf3ce44SJohn Forte  *
4*fcf3ce44SJohn Forte  * The contents of this file are subject to the terms of the
5*fcf3ce44SJohn Forte  * Common Development and Distribution License (the "License").
6*fcf3ce44SJohn Forte  * You may not use this file except in compliance with the License.
7*fcf3ce44SJohn Forte  *
8*fcf3ce44SJohn Forte  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*fcf3ce44SJohn Forte  * or http://www.opensolaris.org/os/licensing.
10*fcf3ce44SJohn Forte  * See the License for the specific language governing permissions
11*fcf3ce44SJohn Forte  * and limitations under the License.
12*fcf3ce44SJohn Forte  *
13*fcf3ce44SJohn Forte  * When distributing Covered Code, include this CDDL HEADER in each
14*fcf3ce44SJohn Forte  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*fcf3ce44SJohn Forte  * If applicable, add the following below this CDDL HEADER, with the
16*fcf3ce44SJohn Forte  * fields enclosed by brackets "[]" replaced with your own identifying
17*fcf3ce44SJohn Forte  * information: Portions Copyright [yyyy] [name of copyright owner]
18*fcf3ce44SJohn Forte  *
19*fcf3ce44SJohn Forte  * CDDL HEADER END
20*fcf3ce44SJohn Forte  */
21*fcf3ce44SJohn Forte /*
22*fcf3ce44SJohn Forte  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23*fcf3ce44SJohn Forte  * Use is subject to license terms.
24*fcf3ce44SJohn Forte  */
25*fcf3ce44SJohn Forte 
26*fcf3ce44SJohn Forte 
27*fcf3ce44SJohn Forte 
28*fcf3ce44SJohn Forte #include "HBAList.h"
29*fcf3ce44SJohn Forte #include "Trace.h"
30*fcf3ce44SJohn Forte #include <libdevinfo.h>
31*fcf3ce44SJohn Forte 
32*fcf3ce44SJohn Forte /**
33*fcf3ce44SJohn Forte  * @memo	    Returns the number of HBAs supported by the library.
34*fcf3ce44SJohn Forte  * @precondition    Load library must have been called
35*fcf3ce44SJohn Forte  * @return	    The number of adapters detected by this VSL
36*fcf3ce44SJohn Forte  * @doc		    Refer to the HBAList documentation for behavior
37*fcf3ce44SJohn Forte  * @see		    HBAList::getNnumberofAdapters
38*fcf3ce44SJohn Forte  *
39*fcf3ce44SJohn Forte  */
Sun_fcGetNumberOfAdapters()40*fcf3ce44SJohn Forte extern "C" HBA_UINT32 Sun_fcGetNumberOfAdapters() {
41*fcf3ce44SJohn Forte 	Trace log("Sun_fcGetNumberOfAdapters");
42*fcf3ce44SJohn Forte 	try {
43*fcf3ce44SJohn Forte 	    HBAList* list = HBAList::instance();
44*fcf3ce44SJohn Forte 	    HBA_UINT32 ret = list->getNumberofAdapters();
45*fcf3ce44SJohn Forte 	    if (ret == 0) {
46*fcf3ce44SJohn Forte 		/* run di_init to forceattach fp and retry it */
47*fcf3ce44SJohn Forte 		di_node_t root_node;
48*fcf3ce44SJohn Forte 		if ((root_node = di_init("/", DINFOSUBTREE|DINFOFORCE)) != DI_NODE_NIL) {
49*fcf3ce44SJohn Forte 			di_fini(root_node);
50*fcf3ce44SJohn Forte 			return (list->getNumberofAdapters());
51*fcf3ce44SJohn Forte 		}
52*fcf3ce44SJohn Forte 	    }
53*fcf3ce44SJohn Forte 	    return (ret);
54*fcf3ce44SJohn Forte 	} catch (...) {
55*fcf3ce44SJohn Forte 	    log.internalError(
56*fcf3ce44SJohn Forte 		"Uncaught exception");
57*fcf3ce44SJohn Forte 	    return (0);
58*fcf3ce44SJohn Forte 	}
59*fcf3ce44SJohn Forte }
60