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 * Retrieves the statistics for a specified port on an adapter
31 */
Sun_sasGetSASPhyAttributes(HBA_HANDLE handle,HBA_UINT32 port,HBA_UINT32 phy,SMHBA_SAS_PHY * pAttributes)32 HBA_STATUS Sun_sasGetSASPhyAttributes(HBA_HANDLE handle,
33 HBA_UINT32 port, HBA_UINT32 phy, SMHBA_SAS_PHY *pAttributes)
34 {
35 const char ROUTINE[] = "Sun_sasGetSASPhyAttributes";
36 HBA_STATUS status = HBA_STATUS_OK;
37 struct sun_sas_hba *hba_ptr;
38 struct sun_sas_port *hba_port_ptr;
39 struct phy_info *phy_ptr;
40
41 /* Validate the arguments */
42 if (pAttributes == NULL) {
43 log(LOG_DEBUG, ROUTINE, "NULL response buffer");
44 return (HBA_STATUS_ERROR_ARG);
45 }
46 lock(&all_hbas_lock);
47
48 if ((hba_ptr = Retrieve_Sun_sasHandle(handle)) == NULL) {
49 log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx", handle);
50 unlock(&all_hbas_lock);
51 return (HBA_STATUS_ERROR_INVALID_HANDLE);
52 }
53
54 /* Check for stale data */
55 status = verifyAdapter(hba_ptr);
56 if (status != HBA_STATUS_OK) {
57 log(LOG_DEBUG, ROUTINE, "Verify adapter failed");
58 unlock(&all_hbas_lock);
59 return (status);
60 }
61
62 for (hba_port_ptr = hba_ptr->first_port;
63 hba_port_ptr != NULL;
64 hba_port_ptr = hba_port_ptr->next) {
65 if (hba_port_ptr->index == port) {
66 break;
67 }
68 }
69
70 if (hba_port_ptr == NULL) {
71 log(LOG_DEBUG, ROUTINE, "Invalid port index");
72 unlock(&all_hbas_lock);
73 return (HBA_STATUS_ERROR_ILLEGAL_INDEX);
74 }
75
76 /* match phy index. */
77 if (phy >= hba_port_ptr->port_attributes.PortSpecificAttribute.
78 SASPort->NumberofPhys) {
79 log(LOG_DEBUG, ROUTINE, "Invalid phy index %d", phy);
80 unlock(&all_hbas_lock);
81 return (HBA_STATUS_ERROR_ILLEGAL_INDEX);
82 } else {
83 for (phy_ptr = hba_port_ptr->first_phy; phy_ptr != NULL;
84 phy_ptr = phy_ptr->next) {
85 if (phy == phy_ptr->index) {
86 (void) memset(pAttributes, 0,
87 sizeof (SMHBA_SAS_PHY));
88 (void) memcpy(pAttributes, &phy_ptr->phy,
89 sizeof (SMHBA_SAS_PHY));
90 unlock(&all_hbas_lock);
91 return (HBA_STATUS_OK);
92 }
93 }
94 }
95
96 unlock(&all_hbas_lock);
97 log(LOG_DEBUG, ROUTINE, "Illegal phy index %d", phy);
98 return (HBA_STATUS_ERROR_ILLEGAL_INDEX);
99 }
100