xref: /titanic_41/usr/src/lib/sun_sas/common/Sun_sasGetAdapterName.c (revision c9a6ea2e938727c95af7108c5e00eee4c890c7ae)
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 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include    "sun_sas.h"
28 
29 /*
30  * Returns the text string which describes this adapter and which is used to
31  * open the adapter with the library.
32  *
33  * Arguments:
34  *	    index	the index to which adapter to retrive the name
35  *	    name	buffer to which the adapter name will be placed
36  */
37 HBA_STATUS Sun_sasGetAdapterName(HBA_UINT32 index, char *name) {
38 	const char		ROUTINE[] = "Sun_sasGetAdapterName";
39 	struct sun_sas_hba	*hba_ptr;
40 
41 	if (name == NULL) {
42 	    log(LOG_DEBUG, ROUTINE, "NULL adapter name");
43 	    return (HBA_STATUS_ERROR_ARG);
44 	}
45 	lock(&all_hbas_lock);
46 	for (hba_ptr = global_hba_head; hba_ptr != NULL;
47 		hba_ptr = hba_ptr->next) {
48 	    if (hba_ptr->index == index) {
49 		    if (hba_ptr->handle_name == NULL) {
50 			hba_ptr = NULL;
51 			break;
52 		    }
53 		    /* Flaw in the spec!  How do we know the size of name? */
54 		    (void) strlcpy(name, hba_ptr->handle_name,
55 			strlen(hba_ptr->handle_name)+1);
56 		    break;
57 	    }
58 	}
59 	unlock(&all_hbas_lock);
60 	if (hba_ptr == NULL) {
61 	    log(LOG_DEBUG, ROUTINE,
62 		"Unable to find adapter index %d.", index);
63 	    return (HBA_STATUS_ERROR_ILLEGAL_INDEX);
64 	}
65 
66 	return (HBA_STATUS_OK);
67 }
68