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/*
28 * Copyright (c) 2012 by Delphix. All rights reserved.
29 */
30
31#include <sys/zio.h>
32#include <sys/spa.h>
33#include <sys/bootconf.h>
34
35extern int zfs_deadman_enabled;
36
37char *
38spa_get_bootprop(char *propname)
39{
40	int proplen;
41	char *value;
42
43	proplen = BOP_GETPROPLEN(bootops, propname);
44	if (proplen <= 0)
45		return (NULL);
46
47	value = kmem_zalloc(proplen, KM_SLEEP);
48	if (BOP_GETPROP(bootops, propname, value) == -1) {
49		kmem_free(value, proplen);
50		return (NULL);
51	}
52
53	return (value);
54}
55
56void
57spa_free_bootprop(char *propname)
58{
59	kmem_free(propname, strlen(propname) + 1);
60}
61
62void
63spa_arch_init(void)
64{
65	/*
66	 * The deadman is disabled by default on sparc.
67	 */
68	if (zfs_deadman_enabled == -1)
69		zfs_deadman_enabled = 0;
70}
71