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 30 #include <sun_sas.h> 31 32 /* 33 * Retrieves the attributes for a specified port discovered in the network 34 */ 35 HBA_STATUS 36 Sun_sasGetDiscoveredPortAttributes(HBA_HANDLE handle, 37 HBA_UINT32 port, HBA_UINT32 discoveredport, 38 SMHBA_PORTATTRIBUTES *attributes) 39 { 40 const char ROUTINE[] = 41 "Sun_sasGetDiscoveredPortAttributes"; 42 HBA_STATUS status; 43 HBA_STATUS ret = HBA_STATUS_OK; 44 struct sun_sas_hba *hba_ptr; 45 struct sun_sas_port *hba_port_ptr, *hba_disco_port; 46 int index; 47 48 if (attributes == NULL) { 49 log(LOG_DEBUG, ROUTINE, 50 "NULL attributes argument. Handle %08lx, port %d, " 51 "discovered port %d", handle, port, discoveredport); 52 return (HBA_STATUS_ERROR_ARG); 53 } 54 55 lock(&all_hbas_lock); 56 index = RetrieveIndex(handle); 57 lock(&open_handles_lock); 58 hba_ptr = RetrieveHandle(index); 59 if (hba_ptr == NULL) { 60 log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx.", handle); 61 unlock(&open_handles_lock); 62 unlock(&all_hbas_lock); 63 return (HBA_STATUS_ERROR_INVALID_HANDLE); 64 } 65 66 /* Check for stale data */ 67 status = verifyAdapter(hba_ptr); 68 if (status != HBA_STATUS_OK) { 69 log(LOG_DEBUG, ROUTINE, "Verify Adapter failed"); 70 unlock(&open_handles_lock); 71 unlock(&all_hbas_lock); 72 return (status); 73 } 74 75 76 if (hba_ptr->first_port == NULL) { 77 /* This is probably an internal failure of the library */ 78 if (hba_ptr->device_path[0] != '\0') { 79 log(LOG_DEBUG, ROUTINE, "Internal failure: Adapter %s" 80 " contains no port data", hba_ptr->device_path); 81 } else { 82 log(LOG_DEBUG, ROUTINE, "Internal failure: Adapter at" 83 " index %d contains no port data", hba_ptr->index); 84 } 85 unlock(&open_handles_lock); 86 unlock(&all_hbas_lock); 87 return (HBA_STATUS_ERROR); 88 } 89 90 for (hba_port_ptr = hba_ptr->first_port; 91 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) { 92 if (hba_port_ptr->index == port) { 93 break; 94 } 95 } 96 97 if (hba_port_ptr == NULL) { 98 log(LOG_DEBUG, ROUTINE, 99 "Invalid port index %d for handle %08lx", 100 port, handle); 101 unlock(&open_handles_lock); 102 unlock(&all_hbas_lock); 103 return (HBA_STATUS_ERROR_ILLEGAL_INDEX); 104 } 105 106 /* check to make sure there are devices attached to this port */ 107 if (hba_port_ptr->first_attached_port != NULL) { 108 for (hba_disco_port = hba_port_ptr->first_attached_port; 109 hba_disco_port != NULL; 110 hba_disco_port = hba_disco_port->next) { 111 if (hba_disco_port->index == discoveredport) { 112 break; 113 } 114 } 115 if (hba_disco_port == NULL) { 116 log(LOG_DEBUG, ROUTINE, 117 "Invalid discovered port index %d for hba port " 118 "index %d on handle %08lx.", 119 discoveredport, port, handle); 120 ret = HBA_STATUS_ERROR_ILLEGAL_INDEX; 121 } else { 122 attributes->PortType = 123 hba_disco_port->port_attributes.PortType; 124 attributes->PortState = 125 hba_disco_port->port_attributes.PortState; 126 (void) strlcpy(attributes->OSDeviceName, 127 hba_disco_port->port_attributes.OSDeviceName, 128 sizeof (attributes->OSDeviceName)); 129 (void) memcpy(attributes->PortSpecificAttribute.SASPort, 130 hba_disco_port->port_attributes.\ 131 PortSpecificAttribute.SASPort, 132 sizeof (struct SMHBA_SAS_Port)); 133 } 134 } else { 135 /* No ports, so we can't possibly return anything */ 136 log(LOG_DEBUG, ROUTINE, 137 "No discovered port on HBA port index %d for handle %08lx", 138 port, handle); 139 ret = HBA_STATUS_ERROR; 140 } 141 unlock(&open_handles_lock); 142 unlock(&all_hbas_lock); 143 144 return (ret); 145 } 146