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 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 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 = mapping->NumberOfEntries; 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 /* get adapter attributes for number of ports */ 87 status = Sun_fcGetAdapterAttributes(handle,&attributes); 88 if (status != HBA_STATUS_OK) { 89 log.userError("Unable to get adapter attributes"); 90 return HBA_STATUS_ERROR; 91 } 92 93 mappingV2 = (PHBA_FCPTARGETMAPPINGV2) new uchar_t[ 94 (sizeof (HBA_FCPSCSIENTRYV2)*(mapping->NumberOfEntries-1)) + 95 sizeof (HBA_FCPTARGETMAPPINGV2)]; 96 mapping->NumberOfEntries = 0; 97 98 for(port = 0; port < attributes.NumberOfPorts; port++) { 99 mappingV2->NumberOfEntries = mapping->NumberOfEntries < entries ? 100 entries - mapping->NumberOfEntries : 0 ; 101 status = Sun_fcGetFcpTargetMappingV2(handle, 102 getAdapterPortWWN(handle,port), mappingV2); 103 mapping->NumberOfEntries += mappingV2->NumberOfEntries; 104 105 if (status != HBA_STATUS_OK && status != HBA_STATUS_ERROR_MORE_DATA) { 106 log.userError("Unable to get mappings for port"); 107 return status; 108 } 109 /* 110 * need to copy from PHBA_FCPTARGETMAPPINGV2 to 111 * PHBA_FCPTARGETMAPPING 112 */ 113 limit = (mapping->NumberOfEntries < entries) ? mapping->NumberOfEntries : entries; 114 for (count = current; count < limit; count++) { 115 memcpy(&mapping->entry[count].ScsiId, 116 &mappingV2->entry[count-current].ScsiId, 117 sizeof (mapping->entry[count].ScsiId)); 118 memcpy(&mapping->entry[count].FcpId, 119 &mappingV2->entry[count-current].FcpId, 120 sizeof (mapping->entry[count].FcpId)); 121 } 122 current = mapping->NumberOfEntries; 123 } 124 125 delete(mappingV2); 126 return (status); 127 } 128 #ifdef __cplusplus 129 } 130 #endif 131