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 * Returns the number of HBAs supported by the library. This returns the 33 * current number of HBAs, even if this changes 34 * 35 */ 36 HBA_UINT32 37 Sun_sasGetPortType(HBA_HANDLE handle, HBA_UINT32 port, HBA_PORTTYPE *porttype) 38 { 39 const char ROUTINE[] = "Sun_sasGetPortType"; 40 int index; 41 struct sun_sas_hba *hba_ptr; 42 struct sun_sas_port *hba_port_ptr; 43 44 /* Validate the arguments */ 45 if (porttype == NULL) { 46 log(LOG_DEBUG, ROUTINE, "NULL attributes."); 47 return (HBA_STATUS_ERROR_ARG); 48 } 49 50 lock(&all_hbas_lock); 51 index = RetrieveIndex(handle); 52 lock(&open_handles_lock); 53 hba_ptr = RetrieveHandle(index); 54 if (hba_ptr == NULL) { 55 log(LOG_DEBUG, ROUTINE, "Invalid handle %08lx.", handle); 56 /* on error, need to set NumberOfEntries to 0 */ 57 unlock(&open_handles_lock); 58 unlock(&all_hbas_lock); 59 return (HBA_STATUS_ERROR_INVALID_HANDLE); 60 } 61 62 if (hba_ptr->first_port == NULL) { 63 /* This is probably an internal failure of the library */ 64 if (hba_ptr->device_path[0] != '\0') { 65 log(LOG_DEBUG, ROUTINE, 66 "Internal failure: Adapter %s contains no port " 67 "data.", hba_ptr->device_path); 68 } else { 69 log(LOG_DEBUG, ROUTINE, 70 "Internal failure: Adapter at index %d contains " 71 "no port data", hba_ptr->index); 72 } 73 unlock(&open_handles_lock); 74 unlock(&all_hbas_lock); 75 return (HBA_STATUS_ERROR); 76 } 77 78 for (hba_port_ptr = hba_ptr->first_port; 79 hba_port_ptr != NULL; hba_port_ptr = hba_port_ptr->next) { 80 if (hba_port_ptr->index == port) { 81 break; 82 } 83 } 84 85 if (hba_port_ptr == NULL || hba_port_ptr->index != port) { 86 log(LOG_DEBUG, ROUTINE, 87 "Invalid port index %d for handle %08lx.", 88 port, handle); 89 unlock(&open_handles_lock); 90 unlock(&all_hbas_lock); 91 return (HBA_STATUS_ERROR_ILLEGAL_INDEX); 92 } 93 94 *porttype = HBA_PORTTYPE_SASDEVICE; 95 96 unlock(&open_handles_lock); 97 unlock(&all_hbas_lock); 98 99 return (HBA_STATUS_OK); 100 } 101