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 attributes for a specified port discovered in the network 31 */ 32 HBA_STATUS 33 Sun_sasGetDiscoveredPortAttributes(HBA_HANDLE handle, 34 HBA_UINT32 port, HBA_UINT32 discoveredport, 35 SMHBA_PORTATTRIBUTES *attributes) { 36 const char ROUTINE[] = 37 "Sun_sasGetDiscoveredPortAttributes"; 38 HBA_STATUS status; 39 HBA_STATUS ret = HBA_STATUS_OK; 40 struct sun_sas_hba *hba_ptr; 41 struct sun_sas_port *hba_port_ptr, *hba_disco_port; 42 int index; 43 44 if (attributes == NULL) { 45 log(LOG_DEBUG, ROUTINE, 46 "NULL attributes argument. Handle %08lx, port %d, " 47 "discovered port %d", handle, port, discoveredport); 48 return (HBA_STATUS_ERROR_ARG); 49 } 50 51 lock(&all_hbas_lock); 52 index = RetrieveIndex(handle); 53 lock(&open_handles_lock); 54 hba_ptr = RetrieveHandle(index); 55 if (hba_ptr == NULL) { 56 log(LOG_DEBUG, ROUTINE, 57 "Invalid handle %08lx.", handle); 58 unlock(&open_handles_lock); 59 unlock(&all_hbas_lock); 60 return (HBA_STATUS_ERROR_INVALID_HANDLE); 61 } 62 63 /* Check for stale data */ 64 status = verifyAdapter(hba_ptr); 65 if (status != HBA_STATUS_OK) { 66 log(LOG_DEBUG, ROUTINE, "Verify Adapter failed"); 67 unlock(&open_handles_lock); 68 unlock(&all_hbas_lock); 69 return (status); 70 } 71 72 73 if (hba_ptr->first_port == NULL) { 74 /* This is probably an internal failure of the library */ 75 if (hba_ptr->device_path) { 76 log(LOG_DEBUG, ROUTINE, 77 "Internal failure: Adapter %s contains no port data", 78 hba_ptr->device_path); 79 } else { 80 log(LOG_DEBUG, ROUTINE, 81 "Internal failure: Adapter at index %d contains no port " 82 "data", hba_ptr->index); 83 } 84 unlock(&open_handles_lock); 85 unlock(&all_hbas_lock); 86 return (HBA_STATUS_ERROR); 87 } 88 89 for (hba_port_ptr = hba_ptr->first_port; 90 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) { 91 if (hba_port_ptr->index == port) { 92 break; 93 } 94 } 95 96 if (hba_port_ptr == NULL) { 97 log(LOG_DEBUG, ROUTINE, 98 "Invalid port index %d for handle %08lx", 99 port, handle); 100 unlock(&open_handles_lock); 101 unlock(&all_hbas_lock); 102 return (HBA_STATUS_ERROR_ILLEGAL_INDEX); 103 } 104 105 /* check to make sure there are devices attached to this port */ 106 if (hba_port_ptr->first_attached_port != NULL) { 107 for (hba_disco_port = hba_port_ptr->first_attached_port; 108 hba_disco_port != NULL; 109 hba_disco_port = hba_disco_port->next) { 110 if (hba_disco_port->index == discoveredport) { 111 break; 112 } 113 } 114 if (hba_disco_port == NULL) { 115 log(LOG_DEBUG, ROUTINE, 116 "Invalid discovered port index %d for hba port " 117 "index %d on handle %08lx.", 118 discoveredport, port, handle); 119 ret = HBA_STATUS_ERROR_ILLEGAL_INDEX; 120 } else { 121 attributes->PortType = 122 hba_disco_port->port_attributes.PortType; 123 attributes->PortState = 124 hba_disco_port->port_attributes.PortState; 125 (void) strlcpy(attributes->OSDeviceName, 126 hba_disco_port->port_attributes.OSDeviceName, 127 sizeof (attributes->OSDeviceName)); 128 (void) memcpy(attributes->PortSpecificAttribute.SASPort, 129 hba_disco_port->port_attributes.PortSpecificAttribute. 130 SASPort, sizeof (struct SMHBA_SAS_Port)); 131 } 132 } else { 133 /* No ports, so we can't possibly return anything */ 134 log(LOG_DEBUG, ROUTINE, 135 "No discovered port on HBA port index %d for handle %08lx", 136 port, handle); 137 ret = HBA_STATUS_ERROR; 138 } 139 unlock(&open_handles_lock); 140 unlock(&all_hbas_lock); 141 142 return (ret); 143 } 144