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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_VMEM_BASE_H
27#define	_VMEM_BASE_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/vmem.h>
32#include <umem.h>
33
34#ifdef	__cplusplus
35extern "C" {
36#endif
37
38#include "misc.h"
39
40extern void vmem_startup(void);
41extern vmem_t *vmem_init(const char *parent_name, size_t parent_quantum,
42	vmem_alloc_t *parent_alloc, vmem_free_t *parent_free,
43	const char *heap_name,
44	void *heap_start, size_t heap_size, size_t heap_quantum,
45	vmem_alloc_t *heap_alloc, vmem_free_t *heap_free);
46
47extern void *_vmem_extend_alloc(vmem_t *vmp, void *vaddr, size_t size,
48	size_t alloc, int vmflag);
49
50extern vmem_t *vmem_heap_arena(vmem_alloc_t **, vmem_free_t **);
51extern void vmem_heap_init(void);
52
53extern vmem_t *vmem_sbrk_arena(vmem_alloc_t **, vmem_free_t **);
54extern vmem_t *vmem_mmap_arena(vmem_alloc_t **, vmem_free_t **);
55extern vmem_t *vmem_stand_arena(vmem_alloc_t **, vmem_free_t **);
56
57extern void vmem_update(void *);
58extern void vmem_reap(void);		/* vmem_populate()-safe reap */
59
60extern size_t pagesize;
61extern size_t vmem_sbrk_pagesize;
62extern size_t vmem_sbrk_minalloc;
63
64extern uint_t vmem_backend;
65#define	VMEM_BACKEND_SBRK	0x0000001
66#define	VMEM_BACKEND_MMAP	0x0000002
67#define	VMEM_BACKEND_STAND	0x0000003
68
69extern vmem_t *vmem_heap;
70extern vmem_alloc_t *vmem_heap_alloc;
71extern vmem_free_t *vmem_heap_free;
72
73extern void vmem_lockup(void);
74extern void vmem_release(void);
75
76extern void vmem_sbrk_lockup(void);
77extern void vmem_sbrk_release(void);
78
79extern void vmem_no_debug(void);
80
81#ifdef	__cplusplus
82}
83#endif
84
85#endif	/* _VMEM_BASE_H */
86