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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26
27
28 #include "Trace.h"
29 #include "Exceptions.h"
30 #include "sun_fc.h"
31
32
33
34 #include <string.h>
35 #include "Handle.h"
36 #include "HBA.h"
37 #include "HBAPort.h"
38 inline HBA_WWN
getAdapterPortWWN(HBA_HANDLE handle,HBA_UINT32 index)39 getAdapterPortWWN(HBA_HANDLE handle,HBA_UINT32 index) {
40 HBA_WWN hba_wwn;
41 memset(hba_wwn.wwn, 0, sizeof (hba_wwn));
42 try {
43 Handle *myHandle = Handle::findHandle(handle);
44 HBA *hba = myHandle->getHBA();
45 HBAPort *port = hba->getPortByIndex(index);
46 uint64_t tmp = htonll(port->getPortWWN());
47 memcpy(hba_wwn.wwn, &tmp, sizeof (hba_wwn));
48 } catch (...) { }
49 return (hba_wwn);
50 }
51
52 #ifdef __cplusplus
53 extern "C" {
54 #endif
55
56 /**
57 * @memo Retrieves the mapping between FCP targets and OS
58 * SCSI information
59 * @return HBA_STATUS_OK if the mapping structure contains valid
60 * mapping data.
61 * @param handle The HBA to fetch mappings for
62 * @param mapping The user-allocated mapping structure
63 *
64 * @doc This routine will call the V2 interface and convert
65 * the results to the old data structure. It will
66 * call the V2 interface for all ports on the HBA.
67 */
68 HBA_STATUS
Sun_fcGetFcpTargetMapping(HBA_HANDLE handle,PHBA_FCPTARGETMAPPING mapping)69 Sun_fcGetFcpTargetMapping(HBA_HANDLE handle, PHBA_FCPTARGETMAPPING mapping) {
70 HBA_STATUS status;
71 int count;
72 PHBA_FCPTARGETMAPPINGV2 mappingV2;
73 HBA_ADAPTERATTRIBUTES attributes;
74 HBA_UINT32 entries = 0;
75 HBA_UINT32 current = 0;
76 HBA_UINT32 port;
77 HBA_UINT32 limit;
78
79 Trace log("Sun_fcGetFcpTargetMapping");
80
81 if (mapping == NULL) {
82 log.userError("NULL mapping argument.");
83 return (HBA_STATUS_ERROR_ARG);
84 }
85
86 entries = mapping->NumberOfEntries;
87
88 /* get adapter attributes for number of ports */
89 status = Sun_fcGetAdapterAttributes(handle,&attributes);
90 if (status != HBA_STATUS_OK) {
91 log.userError("Unable to get adapter attributes");
92 return HBA_STATUS_ERROR;
93 }
94
95 mappingV2 = (PHBA_FCPTARGETMAPPINGV2) new uchar_t[
96 (sizeof (HBA_FCPSCSIENTRYV2)*(mapping->NumberOfEntries-1)) +
97 sizeof (HBA_FCPTARGETMAPPINGV2)];
98 mapping->NumberOfEntries = 0;
99
100 for(port = 0; port < attributes.NumberOfPorts; port++) {
101 mappingV2->NumberOfEntries = mapping->NumberOfEntries < entries ?
102 entries - mapping->NumberOfEntries : 0 ;
103 status = Sun_fcGetFcpTargetMappingV2(handle,
104 getAdapterPortWWN(handle,port), mappingV2);
105 mapping->NumberOfEntries += mappingV2->NumberOfEntries;
106
107 if (status != HBA_STATUS_OK && status != HBA_STATUS_ERROR_MORE_DATA) {
108 log.userError("Unable to get mappings for port");
109 return status;
110 }
111 /*
112 * need to copy from PHBA_FCPTARGETMAPPINGV2 to
113 * PHBA_FCPTARGETMAPPING
114 */
115 limit = (mapping->NumberOfEntries < entries) ? mapping->NumberOfEntries : entries;
116 for (count = current; count < limit; count++) {
117 memcpy(&mapping->entry[count].ScsiId,
118 &mappingV2->entry[count-current].ScsiId,
119 sizeof (mapping->entry[count].ScsiId));
120 memcpy(&mapping->entry[count].FcpId,
121 &mappingV2->entry[count-current].FcpId,
122 sizeof (mapping->entry[count].FcpId));
123 }
124 current = mapping->NumberOfEntries;
125 }
126
127 delete[](mappingV2);
128 return (status);
129 }
130 #ifdef __cplusplus
131 }
132 #endif
133