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 <sys/zio.h> 28 #include <sys/spa.h> 29 #include <sys/bootconf.h> 30 31 char * 32 spa_get_bootprop(char *propname) 33 { 34 int proplen; 35 char *value; 36 37 proplen = BOP_GETPROPLEN(bootops, propname); 38 if (proplen <= 0) 39 return (NULL); 40 41 value = kmem_zalloc(proplen, KM_SLEEP); 42 if (BOP_GETPROP(bootops, propname, value) == -1) { 43 kmem_free(value, proplen); 44 return (NULL); 45 } 46 47 return (value); 48 } 49 50 void 51 spa_free_bootprop(char *propname) 52 { 53 kmem_free(propname, strlen(propname) + 1); 54 } 55