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 #include <sun_sas.h> 30 31 /* 32 * Retrieves the attributes for a specified port of an adapter 33 */ 34 HBA_STATUS 35 Sun_sasGetAdapterPortAttributes(HBA_HANDLE handle, HBA_UINT32 port, 36 PSMHBA_PORTATTRIBUTES attributes) 37 { 38 const char ROUTINE[] = "Sun_sasGetAdapterPortAttributes"; 39 HBA_STATUS status; 40 struct sun_sas_hba *hba_ptr; 41 struct sun_sas_port *hba_port_ptr; 42 int index; 43 44 /* Validate the arguments */ 45 if ((attributes == NULL) || 46 (attributes->PortSpecificAttribute.SASPort == NULL)) { 47 log(LOG_DEBUG, ROUTINE, "NULL attributes"); 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, "Invalid handle %08lx", handle); 57 unlock(&open_handles_lock); 58 unlock(&all_hbas_lock); 59 return (HBA_STATUS_ERROR_INVALID_HANDLE); 60 } 61 62 /* Check for stale data */ 63 status = verifyAdapter(hba_ptr); 64 if (status != HBA_STATUS_OK) { 65 log(LOG_DEBUG, ROUTINE, "Verify Adapter failed"); 66 unlock(&open_handles_lock); 67 unlock(&all_hbas_lock); 68 return (status); 69 } 70 71 if (hba_ptr->first_port == NULL) { 72 /* This is probably an internal failure of the library */ 73 if (hba_ptr->device_path[0] != '\0') { 74 log(LOG_DEBUG, ROUTINE, "Internal failure: Adapter " 75 "%s contains no port data", hba_ptr->device_path); 76 } else { 77 log(LOG_DEBUG, ROUTINE, "Internal failure: Adapter at" 78 " index %d contains no port data", hba_ptr->index); 79 } 80 unlock(&open_handles_lock); 81 unlock(&all_hbas_lock); 82 return (HBA_STATUS_ERROR); 83 } 84 for (hba_port_ptr = hba_ptr->first_port; 85 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) { 86 if (hba_port_ptr->index == port) { 87 break; 88 } 89 } 90 if (hba_port_ptr == NULL || hba_port_ptr->index != port) { 91 log(LOG_DEBUG, ROUTINE, 92 "Invalid port index %d for handle %08lx.", 93 port, handle); 94 unlock(&open_handles_lock); 95 unlock(&all_hbas_lock); 96 return (HBA_STATUS_ERROR_ILLEGAL_INDEX); 97 } 98 99 attributes->PortType = hba_port_ptr->port_attributes.PortType; 100 attributes->PortState = hba_port_ptr->port_attributes.PortState; 101 (void) strlcpy(attributes->OSDeviceName, 102 hba_port_ptr->port_attributes.OSDeviceName, 103 sizeof (attributes->OSDeviceName)); 104 (void) memcpy(attributes->PortSpecificAttribute.SASPort, 105 hba_port_ptr->port_attributes.PortSpecificAttribute.SASPort, 106 sizeof (struct SMHBA_SAS_Port)); 107 108 unlock(&open_handles_lock); 109 unlock(&all_hbas_lock); 110 111 return (HBA_STATUS_OK); 112 } 113