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 * Returns the number of HBAs supported by the library. This returns the 31 * current number of HBAs, even if this changes 32 * 33 */ 34 HBA_UINT32 Sun_sasGetPortType(HBA_HANDLE handle, HBA_UINT32 port, 35 HBA_PORTTYPE *porttype) 36 { 37 const char ROUTINE[] = "Sun_sasGetPortType"; 38 int index; 39 struct sun_sas_hba *hba_ptr; 40 struct sun_sas_port *hba_port_ptr; 41 42 /* Validate the arguments */ 43 if (porttype == 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 /* on error, need to set NumberOfEntries to 0 */ 55 unlock(&open_handles_lock); 56 unlock(&all_hbas_lock); 57 return (HBA_STATUS_ERROR_INVALID_HANDLE); 58 } 59 60 if (hba_ptr->first_port == NULL) { 61 /* This is probably an internal failure of the library */ 62 if (hba_ptr->device_path) { 63 log(LOG_DEBUG, ROUTINE, 64 "Internal failure: Adapter %s contains no port " 65 "data.", hba_ptr->device_path); 66 } else { 67 log(LOG_DEBUG, ROUTINE, 68 "Internal failure: Adapter at index %d contains " 69 "no port data", hba_ptr->index); 70 } 71 unlock(&open_handles_lock); 72 unlock(&all_hbas_lock); 73 return (HBA_STATUS_ERROR); 74 } 75 76 for (hba_port_ptr = hba_ptr->first_port; 77 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) { 78 if (hba_port_ptr->index == port) { 79 break; 80 } 81 } 82 83 if (hba_port_ptr == NULL || hba_port_ptr->index != port) { 84 log(LOG_DEBUG, ROUTINE, 85 "Invalid port index %d for handle %08lx.", 86 port, handle); 87 unlock(&open_handles_lock); 88 unlock(&all_hbas_lock); 89 return (HBA_STATUS_ERROR_ILLEGAL_INDEX); 90 } 91 92 *porttype = HBA_PORTTYPE_SASDEVICE; 93 94 unlock(&open_handles_lock); 95 unlock(&all_hbas_lock); 96 97 return (HBA_STATUS_OK); 98 } 99