xref: /illumos-gate/usr/src/lib/sun_sas/common/Sun_sasGetAdapterAttributes.c (revision 5bbb4db2c3f208d12bf0fd11769728f9e5ba66a2)
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  * Retrieves the attribues for an adapter
30  */
31 HBA_STATUS
32 Sun_sasGetAdapterAttributes(HBA_HANDLE handle,
33 	    PSMHBA_ADAPTERATTRIBUTES attributes) {
34 	const char		ROUTINE[] = "Sun_sasGetAdapterAttributes";
35 	struct sun_sas_hba 	*hba_ptr;
36 	int 			index = 0;
37 
38 	if (attributes == NULL) {
39 	    log(LOG_DEBUG, ROUTINE, "NULL attributes pointer");
40 	    return (HBA_STATUS_ERROR_ARG);
41 	}
42 
43 	lock(&all_hbas_lock);
44 	index = RetrieveIndex(handle);
45 	lock(&open_handles_lock);
46 	hba_ptr = RetrieveHandle(index);
47 	if (hba_ptr == NULL) {
48 	    log(LOG_DEBUG, ROUTINE,
49 		"Invalid handle %08lx", handle);
50 	    unlock(&open_handles_lock);
51 	    unlock(&all_hbas_lock);
52 	    return (HBA_STATUS_ERROR_INVALID_HANDLE);
53 	}
54 
55 	(void) memcpy(attributes, &hba_ptr->adapter_attributes,
56 	    sizeof (SMHBA_ADAPTERATTRIBUTES));
57 
58 	unlock(&open_handles_lock);
59 	unlock(&all_hbas_lock);
60 
61 	return (HBA_STATUS_OK);
62 }
63