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 * Opens a named adapter.
31 * By opening an adapter, an upper level application is ensuring that all access
32 * to an HBA_HANDLE between and open and a close is to the same adapter.
33 *
34 * Sun_sasOpenAdapter just creates a new handle and returns the handle.
35 * It does not do a driver open
36 */
Sun_sasOpenAdapter(char * name)37 HBA_HANDLE Sun_sasOpenAdapter(char *name) {
38 const char ROUTINE[] = "Sun_sasOpenAdapter";
39 struct sun_sas_hba *hba_ptr;
40
41 if (name == NULL) {
42 log(LOG_DEBUG, ROUTINE, "NULL adapter name.");
43 return (HANDLE_ERROR);
44 }
45 lock(&all_hbas_lock);
46 for (hba_ptr = global_hba_head; hba_ptr != NULL;
47 hba_ptr = hba_ptr->next) {
48 if (strcmp(hba_ptr->handle_name, name) == 0) {
49 break;
50 }
51 }
52 unlock(&all_hbas_lock);
53 if (hba_ptr == NULL) {
54 log(LOG_DEBUG, ROUTINE, "Invalid adapter name \"%s\"", name);
55 return (HANDLE_ERROR);
56 }
57
58 return (CreateHandle(hba_ptr->index));
59 }
60