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
30 #include <sun_sas.h>
31
32 /*
33 * Retrieves the attributes for a specific discovered port by WWN
34 */
35 HBA_STATUS
Sun_sasGetPortAttributesByWWN(HBA_HANDLE handle,HBA_WWN portWWN,HBA_WWN domainPortWWN,PSMHBA_PORTATTRIBUTES attributes)36 Sun_sasGetPortAttributesByWWN(HBA_HANDLE handle, HBA_WWN portWWN,
37 HBA_WWN domainPortWWN, PSMHBA_PORTATTRIBUTES attributes)
38 {
39 const char ROUTINE[] = "Sun_sasGetPortAttributesByWWN";
40 HBA_STATUS status;
41 struct sun_sas_hba *hba_ptr;
42 struct sun_sas_port *hba_port_ptr, *hba_disco_port;
43 int index, chkDomainPort = 0, domainFound = 0;
44
45 /* Validate the arguments */
46 if (attributes == NULL) {
47 log(LOG_DEBUG, ROUTINE, "NULL port attributes");
48 return (HBA_STATUS_ERROR_ARG);
49 }
50
51 if (wwnConversion(domainPortWWN.wwn) != 0) {
52 chkDomainPort = 1;
53 }
54
55 lock(&all_hbas_lock);
56 index = RetrieveIndex(handle);
57 lock(&open_handles_lock);
58 hba_ptr = RetrieveHandle(index);
59 if (hba_ptr == NULL) {
60 log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx.", handle);
61 unlock(&open_handles_lock);
62 unlock(&all_hbas_lock);
63 return (HBA_STATUS_ERROR_INVALID_HANDLE);
64 }
65
66 /* Check for stale data */
67 status = verifyAdapter(hba_ptr);
68 if (status != HBA_STATUS_OK) {
69 log(LOG_DEBUG, ROUTINE, "Verify adapter failed");
70 unlock(&open_handles_lock);
71 unlock(&all_hbas_lock);
72 return (status);
73 }
74
75 if (hba_ptr->first_port == NULL) {
76 /* This is probably an internal failure of the library */
77 if (hba_ptr->device_path[0] != '\0') {
78 log(LOG_DEBUG, ROUTINE,
79 "Internal failure: Adapter %s contains "
80 "no port data", hba_ptr->device_path);
81 } else {
82 log(LOG_DEBUG, ROUTINE,
83 "Internal failure: Adapter at index %d contains "
84 "no port data", hba_ptr->index);
85 }
86 unlock(&open_handles_lock);
87 unlock(&all_hbas_lock);
88 return (HBA_STATUS_ERROR);
89 }
90
91 /* Loop over all Adapter ports */
92 for (hba_port_ptr = hba_ptr->first_port;
93 hba_port_ptr != NULL;
94 hba_port_ptr = hba_port_ptr->next) {
95 if (chkDomainPort) {
96 if (validateDomainAddress(hba_port_ptr,
97 domainPortWWN) != HBA_STATUS_OK) {
98 continue;
99 } else
100 domainFound = 1;
101 }
102
103 if (wwnConversion(hba_port_ptr->port_attributes.
104 PortSpecificAttribute.SASPort->LocalSASAddress.wwn) ==
105 wwnConversion(portWWN.wwn)) {
106 /*
107 * We should indicate an error if we enter here
108 * without domainPortWWN set.
109 */
110 if (chkDomainPort == 0) {
111 log(LOG_DEBUG, ROUTINE,
112 "Domain Port WWN should be set when "
113 "querying HBA port %016llx for "
114 "handle %08lx",
115 wwnConversion(portWWN.wwn), handle);
116 unlock(&open_handles_lock);
117 unlock(&all_hbas_lock);
118 return (HBA_STATUS_ERROR_ARG);
119 }
120 attributes->PortType =
121 hba_port_ptr->port_attributes.PortType;
122 attributes->PortState =
123 hba_port_ptr->port_attributes.PortState;
124 (void) strlcpy(attributes->OSDeviceName,
125 hba_port_ptr->port_attributes.OSDeviceName,
126 sizeof (attributes->OSDeviceName));
127 (void) memcpy(attributes->PortSpecificAttribute.SASPort,
128 hba_port_ptr->port_attributes.PortSpecificAttribute.
129 SASPort, sizeof (struct SMHBA_SAS_Port));
130
131 unlock(&open_handles_lock);
132 unlock(&all_hbas_lock);
133 return (HBA_STATUS_OK);
134 }
135
136 /* check to make sure there are devices attached to this port */
137 if (hba_port_ptr->first_attached_port != NULL) {
138
139 /* Loop over all discovered ports */
140 for (hba_disco_port = hba_port_ptr->first_attached_port;
141 hba_disco_port != NULL;
142 hba_disco_port = hba_disco_port->next) {
143 if (wwnConversion(hba_disco_port->
144 port_attributes.PortSpecificAttribute.
145 SASPort->LocalSASAddress.wwn) ==
146 wwnConversion(portWWN.wwn)) {
147 attributes->PortType =
148 hba_disco_port->port_attributes.
149 PortType;
150 attributes->PortState =
151 hba_disco_port->port_attributes.
152 PortState;
153 (void) strlcpy(attributes->OSDeviceName,
154 hba_disco_port->port_attributes.
155 OSDeviceName,
156 sizeof (attributes->OSDeviceName));
157 (void) memcpy(attributes->
158 PortSpecificAttribute.SASPort,
159 hba_disco_port->port_attributes.
160 PortSpecificAttribute.SASPort,
161 sizeof (struct SMHBA_SAS_Port));
162 unlock(&open_handles_lock);
163 unlock(&all_hbas_lock);
164 return (HBA_STATUS_OK);
165 }
166 }
167 }
168 if (chkDomainPort) {
169 log(LOG_DEBUG, ROUTINE,
170 "Invalid Port WWN %016llx for handle %08lx",
171 wwnConversion(portWWN.wwn), handle);
172 unlock(&open_handles_lock);
173 unlock(&all_hbas_lock);
174 return (HBA_STATUS_ERROR_ILLEGAL_WWN);
175 }
176 }
177 if (chkDomainPort && domainFound == 0) {
178 log(LOG_DEBUG, ROUTINE, "No Matching domain port"
179 " (%16llx) for port (%16llx) for handle %08lx",
180 wwnConversion(domainPortWWN.wwn),
181 wwnConversion(portWWN.wwn),
182 handle);
183 } else {
184 /* We enter here only when chkDomainPort == 0 */
185 log(LOG_DEBUG, ROUTINE,
186 "Invalid Port WWN %016llx for handle %08lx",
187 wwnConversion(portWWN.wwn), handle);
188 }
189 unlock(&open_handles_lock);
190 unlock(&all_hbas_lock);
191 return (HBA_STATUS_ERROR_ILLEGAL_WWN);
192 }
193