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 of an adapter 31 */ 32 HBA_STATUS 33 Sun_sasGetAdapterPortAttributes(HBA_HANDLE handle, 34 HBA_UINT32 port, PSMHBA_PORTATTRIBUTES attributes) { 35 const char ROUTINE[] = "Sun_sasGetAdapterPortAttributes"; 36 HBA_STATUS status; 37 struct sun_sas_hba *hba_ptr; 38 struct sun_sas_port *hba_port_ptr; 39 int index; 40 41 /* Validate the arguments */ 42 if ((attributes == NULL) || 43 (attributes->PortSpecificAttribute.SASPort == NULL)) { 44 log(LOG_DEBUG, ROUTINE, "NULL attributes"); 45 return (HBA_STATUS_ERROR_ARG); 46 } 47 48 lock(&all_hbas_lock); 49 index = RetrieveIndex(handle); 50 lock(&open_handles_lock); 51 hba_ptr = RetrieveHandle(index); 52 if (hba_ptr == NULL) { 53 log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx", handle); 54 unlock(&open_handles_lock); 55 unlock(&all_hbas_lock); 56 return (HBA_STATUS_ERROR_INVALID_HANDLE); 57 } 58 59 /* Check for stale data */ 60 status = verifyAdapter(hba_ptr); 61 if (status != HBA_STATUS_OK) { 62 log(LOG_DEBUG, ROUTINE, "Verify Adapter failed"); 63 unlock(&open_handles_lock); 64 unlock(&all_hbas_lock); 65 return (status); 66 } 67 68 if (hba_ptr->first_port == NULL) { 69 /* This is probably an internal failure of the library */ 70 if (hba_ptr->device_path) { 71 log(LOG_DEBUG, ROUTINE, 72 "Internal failure: Adapter %s contains no port data", 73 hba_ptr->device_path); 74 } else { 75 log(LOG_DEBUG, ROUTINE, 76 "Internal failure: Adapter at index %d contains no port " 77 "data", hba_ptr->index); 78 } 79 unlock(&open_handles_lock); 80 unlock(&all_hbas_lock); 81 return (HBA_STATUS_ERROR); 82 } 83 for (hba_port_ptr = hba_ptr->first_port; 84 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) { 85 if (hba_port_ptr->index == port) { 86 break; 87 } 88 } 89 if (hba_port_ptr == NULL || hba_port_ptr->index != port) { 90 log(LOG_DEBUG, ROUTINE, 91 "Invalid port index %d for handle %08lx.", 92 port, handle); 93 unlock(&open_handles_lock); 94 unlock(&all_hbas_lock); 95 return (HBA_STATUS_ERROR_ILLEGAL_INDEX); 96 } 97 98 attributes->PortType = hba_port_ptr->port_attributes.PortType; 99 attributes->PortState = hba_port_ptr->port_attributes.PortState; 100 (void) strlcpy(attributes->OSDeviceName, 101 hba_port_ptr->port_attributes.OSDeviceName, 102 sizeof (attributes->OSDeviceName)); 103 (void) memcpy(attributes->PortSpecificAttribute.SASPort, 104 hba_port_ptr->port_attributes.PortSpecificAttribute.SASPort, 105 sizeof (struct SMHBA_SAS_Port)); 106 107 unlock(&open_handles_lock); 108 unlock(&all_hbas_lock); 109 110 return (HBA_STATUS_OK); 111 } 112