1 
2 /*	$NetBSD: kmem.h,v 1.6 2010/02/21 01:46:36 darran Exp $	*/
3 
4 /*-
5  * Copyright (c) 2009 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Andrew Doran.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef _OPENSOLARIS_SYS_KMEM_H_
34 #define	_OPENSOLARIS_SYS_KMEM_H_
35 
36 #include_next <sys/kmem.h>
37 #include_next <sys/pool.h>
38 #include_next <sys/vmem.h>
39 
40 typedef void kmem_cache_t;
41 
42 u_long	kmem_size(void);
43 u_long	kmem_used(void);
44 void	kmem_reap(void);
45 
46 void	*calloc(size_t n, size_t s);
47 
48 static inline kmem_cache_t *
kmem_cache_create(char * name,size_t bufsize,size_t align,int (* constructor)(void *,void *,int),void (* destructor)(void *,void *),void (* reclaim)(void *)__unused,void * private,vmem_t * vmp,int cflags)49 kmem_cache_create(char *name, size_t bufsize, size_t align,
50     int (*constructor)(void *, void *, int), void (*destructor)(void *, void *),
51     void (*reclaim)(void *) __unused, void *private, vmem_t *vmp, int cflags)
52 {
53 	pool_cache_t pc;
54 
55 	KASSERT(vmp == NULL);
56 
57 	pc = pool_cache_init(bufsize, align, 0, 0, name, NULL, IPL_NONE,
58 	    constructor, destructor, private);
59 	if (pc != NULL && reclaim != NULL) {
60 		pool_cache_set_drain_hook(pc, (void *)reclaim, private);
61 	}
62 	return pc;
63 }
64 
65 #define	kmem_cache_destroy(cache)		pool_cache_destroy(cache)
66 #define	kmem_cache_alloc(cache, flags)		pool_cache_get(cache, flags)
67 #define	kmem_cache_free(cache, buf)		pool_cache_put(cache, buf)
68 #define	kmem_cache_reap_now(cache)		pool_cache_invalidate(cache)
69 
70 #define	KM_PUSHPAGE	0x00	/* XXXNETBSD */
71 #define	KMC_NODEBUG	0x00
72 
73 #endif	/* _OPENSOLARIS_SYS_KMEM_H_ */
74