xref: /illumos-gate/usr/src/lib/sun_sas/common/Sun_sasGetAdapterName.c (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
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  * Copyright 2019 Joyent, Inc.
28  */
29 
30 #include    "sun_sas.h"
31 
32 /*
33  * Returns the text string which describes this adapter and which is used to
34  * open the adapter with the library.
35  *
36  * Arguments:
37  *	    index	the index to which adapter to retrieve the name
38  *	    name	buffer to which the adapter name will be placed
39  */
40 HBA_STATUS
41 Sun_sasGetAdapterName(HBA_UINT32 index, char *name)
42 {
43 	const char		ROUTINE[] = "Sun_sasGetAdapterName";
44 	struct sun_sas_hba	*hba_ptr;
45 
46 	if (name == NULL) {
47 		log(LOG_DEBUG, ROUTINE, "NULL adapter name");
48 		return (HBA_STATUS_ERROR_ARG);
49 	}
50 	lock(&all_hbas_lock);
51 	for (hba_ptr = global_hba_head; hba_ptr != NULL;
52 	    hba_ptr = hba_ptr->next) {
53 		if (hba_ptr->index == index) {
54 			if (hba_ptr->handle_name[0] == '\0') {
55 				hba_ptr = NULL;
56 				break;
57 			}
58 			/*
59 			 * Flaw in the spec!  How do we know the size of name?
60 			 */
61 			(void) strlcpy(name, hba_ptr->handle_name,
62 			    strlen(hba_ptr->handle_name)+1);
63 			break;
64 		}
65 	}
66 	unlock(&all_hbas_lock);
67 	if (hba_ptr == NULL) {
68 		log(LOG_DEBUG, ROUTINE,
69 		    "Unable to find adapter index %d.", index);
70 		return (HBA_STATUS_ERROR_ILLEGAL_INDEX);
71 	}
72 
73 	return (HBA_STATUS_OK);
74 }
75