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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at * usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include <sys/nvpair.h>
28#include <sys/kmem.h>
29#include <sys/vmem.h>
30
31static void *
32nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size)
33{
34	return (vmem_alloc(size, KM_SLEEP));
35}
36
37static void *
38nv_alloc_pushpage_spl(nv_alloc_t *nva, size_t size)
39{
40	return (vmem_alloc(size, KM_PUSHPAGE));
41}
42
43static void *
44nv_alloc_nosleep_spl(nv_alloc_t *nva, size_t size)
45{
46	return (kmem_alloc(size, KM_NOSLEEP));
47}
48
49static void
50nv_free_spl(nv_alloc_t *nva, void *buf, size_t size)
51{
52	kmem_free(buf, size);
53}
54
55const nv_alloc_ops_t spl_sleep_ops_def = {
56	.nv_ao_init = NULL,
57	.nv_ao_fini = NULL,
58	.nv_ao_alloc = nv_alloc_sleep_spl,
59	.nv_ao_free = nv_free_spl,
60	.nv_ao_reset = NULL
61};
62
63const nv_alloc_ops_t spl_pushpage_ops_def = {
64	.nv_ao_init = NULL,
65	.nv_ao_fini = NULL,
66	.nv_ao_alloc = nv_alloc_pushpage_spl,
67	.nv_ao_free = nv_free_spl,
68	.nv_ao_reset = NULL
69};
70
71const nv_alloc_ops_t spl_nosleep_ops_def = {
72	.nv_ao_init = NULL,
73	.nv_ao_fini = NULL,
74	.nv_ao_alloc = nv_alloc_nosleep_spl,
75	.nv_ao_free = nv_free_spl,
76	.nv_ao_reset = NULL
77};
78
79nv_alloc_t nv_alloc_sleep_def = {
80	&spl_sleep_ops_def,
81	NULL
82};
83
84nv_alloc_t nv_alloc_pushpage_def = {
85	&spl_pushpage_ops_def,
86	NULL
87};
88
89nv_alloc_t nv_alloc_nosleep_def = {
90	&spl_nosleep_ops_def,
91	NULL
92};
93
94nv_alloc_t *nv_alloc_sleep = &nv_alloc_sleep_def;
95nv_alloc_t *nv_alloc_pushpage = &nv_alloc_pushpage_def;
96nv_alloc_t *nv_alloc_nosleep = &nv_alloc_nosleep_def;
97