xref: /illumos-gate/usr/src/uts/common/os/nvpair_alloc_system.c (revision d48be21240dfd051b689384ce2b23479d757f2d8)
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 <rpc/types.h>
28 #include <sys/nvpair.h>
29 
30 static void *
31 nv_alloc_sys(nv_alloc_t *nva, size_t size)
32 {
33 	return (kmem_alloc(size, (int)(uintptr_t)nva->nva_arg));
34 }
35 
36 /*ARGSUSED*/
37 static void
38 nv_free_sys(nv_alloc_t *nva, void *buf, size_t size)
39 {
40 	kmem_free(buf, size);
41 }
42 
43 static const nv_alloc_ops_t system_ops = {
44 	NULL,			/* nv_ao_init() */
45 	NULL,			/* nv_ao_fini() */
46 	nv_alloc_sys,		/* nv_ao_alloc() */
47 	nv_free_sys,		/* nv_ao_free() */
48 	NULL			/* nv_ao_reset() */
49 };
50 
51 nv_alloc_t nv_alloc_sleep_def = {
52 	&system_ops,
53 	(void *)KM_SLEEP
54 };
55 
56 nv_alloc_t nv_alloc_nosleep_def = {
57 	&system_ops,
58 	(void *)KM_NOSLEEP
59 };
60 
61 nv_alloc_t *nv_alloc_sleep = &nv_alloc_sleep_def;
62 nv_alloc_t *nv_alloc_nosleep = &nv_alloc_nosleep_def;
63