1/* $NetBSD: kmem.h,v 1.9 2012/02/05 03:40:08 rmind Exp $ */
2
3/*-
4 * Copyright (c)2006 YAMAMOTO Takashi,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _SYS_KMEM_H_
30#define _SYS_KMEM_H_
31
32#include <sys/types.h>
33
34typedef unsigned int km_flag_t;
35
36void kmem_init(void);
37size_t kmem_roundup_size(size_t);
38
39void * kmem_alloc(size_t, km_flag_t);
40void * kmem_zalloc(size_t, km_flag_t);
41void kmem_free(void *, size_t);
42
43void * kmem_intr_alloc(size_t, km_flag_t);
44void * kmem_intr_zalloc(size_t, km_flag_t);
45void kmem_intr_free(void *, size_t);
46
47char * kmem_asprintf(const char *, ...) __printflike(1, 2);
48
49/*
50 * km_flag_t values:
51 */
52#define KM_SLEEP 0x00000001 /* can sleep */
53#define KM_NOSLEEP 0x00000002 /* don't sleep */
54
55#endif /* !_SYS_KMEM_H_ */
56