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 #include <sun_sas.h>
30
31 /*
32 * Returns the number of HBAs supported by the library. This returns the
33 * current number of HBAs, even if this changes
34 *
35 */
36 HBA_UINT32
Sun_sasGetPortType(HBA_HANDLE handle,HBA_UINT32 port,HBA_PORTTYPE * porttype)37 Sun_sasGetPortType(HBA_HANDLE handle, HBA_UINT32 port, HBA_PORTTYPE *porttype)
38 {
39 const char ROUTINE[] = "Sun_sasGetPortType";
40 int index;
41 struct sun_sas_hba *hba_ptr;
42 struct sun_sas_port *hba_port_ptr;
43
44 /* Validate the arguments */
45 if (porttype == NULL) {
46 log(LOG_DEBUG, ROUTINE, "NULL attributes.");
47 return (HBA_STATUS_ERROR_ARG);
48 }
49
50 lock(&all_hbas_lock);
51 index = RetrieveIndex(handle);
52 lock(&open_handles_lock);
53 hba_ptr = RetrieveHandle(index);
54 if (hba_ptr == NULL) {
55 log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx.", handle);
56 /* on error, need to set NumberOfEntries to 0 */
57 unlock(&open_handles_lock);
58 unlock(&all_hbas_lock);
59 return (HBA_STATUS_ERROR_INVALID_HANDLE);
60 }
61
62 if (hba_ptr->first_port == NULL) {
63 /* This is probably an internal failure of the library */
64 if (hba_ptr->device_path[0] != '\0') {
65 log(LOG_DEBUG, ROUTINE,
66 "Internal failure: Adapter %s contains no port "
67 "data.", hba_ptr->device_path);
68 } else {
69 log(LOG_DEBUG, ROUTINE,
70 "Internal failure: Adapter at index %d contains "
71 "no port data", hba_ptr->index);
72 }
73 unlock(&open_handles_lock);
74 unlock(&all_hbas_lock);
75 return (HBA_STATUS_ERROR);
76 }
77
78 for (hba_port_ptr = hba_ptr->first_port;
79 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) {
80 if (hba_port_ptr->index == port) {
81 break;
82 }
83 }
84
85 if (hba_port_ptr == NULL || hba_port_ptr->index != port) {
86 log(LOG_DEBUG, ROUTINE,
87 "Invalid port index %d for handle %08lx.",
88 port, handle);
89 unlock(&open_handles_lock);
90 unlock(&all_hbas_lock);
91 return (HBA_STATUS_ERROR_ILLEGAL_INDEX);
92 }
93
94 *porttype = HBA_PORTTYPE_SASDEVICE;
95
96 unlock(&open_handles_lock);
97 unlock(&all_hbas_lock);
98
99 return (HBA_STATUS_OK);
100 }
101