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 2007 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <sys/systm.h>
30#include <sys/cmn_err.h>
31#include <sys/kobj.h>
32
33struct zchdr {
34	uint_t zch_magic;
35	uint_t zch_size;
36};
37
38#define	ZCH_MAGIC	0x3cc13cc1
39
40/*ARGSUSED*/
41void *
42zcalloc(void *opaque, uint_t items, uint_t size)
43{
44	size_t nbytes = sizeof (struct zchdr) + items * size;
45	struct zchdr *z = kobj_zalloc(nbytes, KM_NOWAIT|KM_TMP);
46
47	if (z == NULL)
48		return (NULL);
49
50	z->zch_magic = ZCH_MAGIC;
51	z->zch_size = nbytes;
52
53	return (z + 1);
54}
55
56/*ARGSUSED*/
57void
58zcfree(void *opaque, void *ptr)
59{
60	struct zchdr *z = ((struct zchdr *)ptr) - 1;
61
62	if (z->zch_magic != ZCH_MAGIC)
63		panic("zcfree region corrupt: hdr=%p ptr=%p", (void *)z, ptr);
64
65	kobj_free(z, z->zch_size);
66}
67
68void
69zmemcpy(void *dest, const void *source, uint_t len)
70{
71	bcopy(source, dest, len);
72}
73
74int
75zmemcmp(const void *s1, const void *s2, uint_t len)
76{
77	return (bcmp(s1, s2, len));
78}
79
80void
81zmemzero(void *dest, uint_t len)
82{
83	bzero(dest, len);
84}
85