xref: /illumos-gate/usr/src/lib/sun_sas/common/Sun_sasGetAdapterAttributes.c (revision 5328fc53d11d7151861fa272e4fb0248b8f0e145)
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  * Retrieves the attribues for an adapter
33  */
34 HBA_STATUS
35 Sun_sasGetAdapterAttributes(HBA_HANDLE handle,
36     PSMHBA_ADAPTERATTRIBUTES attributes)
37 {
38 	const char		ROUTINE[] = "Sun_sasGetAdapterAttributes";
39 	struct sun_sas_hba	*hba_ptr;
40 	int			index = 0;
41 
42 	if (attributes == NULL) {
43 		log(LOG_DEBUG, ROUTINE, "NULL attributes pointer");
44 		return (HBA_STATUS_ERROR_ARG);
45 	}
46 
47 	lock(&all_hbas_lock);
48 	index = RetrieveIndex(handle);
49 	lock(&open_handles_lock);
50 	hba_ptr = RetrieveHandle(index);
51 	if (hba_ptr == NULL) {
52 		log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx", handle);
53 		unlock(&open_handles_lock);
54 		unlock(&all_hbas_lock);
55 		return (HBA_STATUS_ERROR_INVALID_HANDLE);
56 	}
57 
58 	(void) memcpy(attributes, &hba_ptr->adapter_attributes,
59 	    sizeof (SMHBA_ADAPTERATTRIBUTES));
60 
61 	unlock(&open_handles_lock);
62 	unlock(&all_hbas_lock);
63 
64 	return (HBA_STATUS_OK);
65 }
66