xref: /netbsd/external/cddl/osnet/sys/sys/kmem.h (revision ced9a03a)
1 
2 /*	$NetBSD: kmem.h,v 1.11 2019/05/23 08:32:31 hannken 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 <sys/pool.h>
38 #include <sys/vmem.h>
39 
40 #define	KM_PUSHPAGE	KM_SLEEP
41 #define	KM_NORMALPRI	0
42 #define	KM_NODEBUG	0
43 
44 #define	KMC_NOTOUCH	0x00010000
45 #define	KMC_NODEBUG	0x00020000
46 
47 struct kmem_cache;
48 
49 typedef struct kmem_cache kmem_cache_t;
50 
51 #define	POINTER_IS_VALID(p)	(!((uintptr_t)(p) & 0x3))
52 #define	POINTER_INVALIDATE(pp)	(*(pp) = (void *)((uintptr_t)(*(pp)) | 0x1))
53 
54 kmem_cache_t *kmem_cache_create(char *, size_t, size_t,
55     int (*)(void *, void *, int), void (*)(void *, void *),
56     void (*)(void *), void *, vmem_t *, int);
57 void kmem_cache_destroy(kmem_cache_t *);
58 void *kmem_cache_alloc(kmem_cache_t *, int);
59 void kmem_cache_free(kmem_cache_t *, void *);
60 void kmem_cache_reap_now(kmem_cache_t *);
61 #define	kmem_cache_set_move(cache, movefunc)	do { } while (0)
62 
63 #define	heap_arena			kmem_arena
64 
65 #define kmem_alloc solaris_kmem_alloc
66 #define kmem_zalloc solaris_kmem_zalloc
67 #define kmem_free solaris_kmem_free
68 #define kmem_size() ((uint64_t)physmem * PAGE_SIZE)
69 
70 void *solaris_kmem_alloc(size_t, int);
71 void *solaris_kmem_zalloc(size_t, int);
72 void solaris_kmem_free(void *, size_t);
73 
74 #endif	/* _OPENSOLARIS_SYS_KMEM_H_ */
75