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 * Returns the number of HBAs supported by the library. This returns the 34 * current number of HBAs, even if this changes 35 */ 36 HBA_UINT32 Sun_sasGetNumberOfAdapters(void)37Sun_sasGetNumberOfAdapters(void) 38 { 39 int count; 40 struct sun_sas_hba *hba_ptr; 41 42 lock(&all_hbas_lock); 43 /* goes through hba list counting all the hbas found */ 44 for (count = 0, hba_ptr = global_hba_head; 45 hba_ptr != NULL; hba_ptr = hba_ptr->next, count++) {} 46 47 unlock(&all_hbas_lock); 48 49 return (count); 50 } 51