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 number of HBAs supported by the library. This returns the
31 * current number of HBAs, even if this changes
32 *
33 */
Sun_sasGetPortType(HBA_HANDLE handle,HBA_UINT32 port,HBA_PORTTYPE * porttype)34 HBA_UINT32 Sun_sasGetPortType(HBA_HANDLE handle, HBA_UINT32 port,
35 HBA_PORTTYPE *porttype)
36 {
37 const char ROUTINE[] = "Sun_sasGetPortType";
38 int index;
39 struct sun_sas_hba *hba_ptr;
40 struct sun_sas_port *hba_port_ptr;
41
42 /* Validate the arguments */
43 if (porttype == NULL) {
44 log(LOG_DEBUG, ROUTINE, "NULL attributes.");
45 return (HBA_STATUS_ERROR_ARG);
46 }
47
48 lock(&all_hbas_lock);
49 index = RetrieveIndex(handle);
50 lock(&open_handles_lock);
51 hba_ptr = RetrieveHandle(index);
52 if (hba_ptr == NULL) {
53 log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx.", handle);
54 /* on error, need to set NumberOfEntries to 0 */
55 unlock(&open_handles_lock);
56 unlock(&all_hbas_lock);
57 return (HBA_STATUS_ERROR_INVALID_HANDLE);
58 }
59
60 if (hba_ptr->first_port == NULL) {
61 /* This is probably an internal failure of the library */
62 if (hba_ptr->device_path) {
63 log(LOG_DEBUG, ROUTINE,
64 "Internal failure: Adapter %s contains no port "
65 "data.", hba_ptr->device_path);
66 } else {
67 log(LOG_DEBUG, ROUTINE,
68 "Internal failure: Adapter at index %d contains "
69 "no port data", hba_ptr->index);
70 }
71 unlock(&open_handles_lock);
72 unlock(&all_hbas_lock);
73 return (HBA_STATUS_ERROR);
74 }
75
76 for (hba_port_ptr = hba_ptr->first_port;
77 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) {
78 if (hba_port_ptr->index == port) {
79 break;
80 }
81 }
82
83 if (hba_port_ptr == NULL || hba_port_ptr->index != port) {
84 log(LOG_DEBUG, ROUTINE,
85 "Invalid port index %d for handle %08lx.",
86 port, handle);
87 unlock(&open_handles_lock);
88 unlock(&all_hbas_lock);
89 return (HBA_STATUS_ERROR_ILLEGAL_INDEX);
90 }
91
92 *porttype = HBA_PORTTYPE_SASDEVICE;
93
94 unlock(&open_handles_lock);
95 unlock(&all_hbas_lock);
96
97 return (HBA_STATUS_OK);
98 }
99