xref: /illumos-gate/usr/src/boot/libsa/zalloc_mem.h (revision 22028508)
1199767f8SToomas Soome /*
2f5700834SToomas Soome  * This module derived from code donated to the FreeBSD Project by
3199767f8SToomas Soome  * Matthew Dillon <dillon@backplane.com>
4199767f8SToomas Soome  *
5199767f8SToomas Soome  * Copyright (c) 1998 The FreeBSD Project
6199767f8SToomas Soome  * All rights reserved.
7199767f8SToomas Soome  *
8199767f8SToomas Soome  * Redistribution and use in source and binary forms, with or without
9199767f8SToomas Soome  * modification, are permitted provided that the following conditions
10199767f8SToomas Soome  * are met:
11199767f8SToomas Soome  * 1. Redistributions of source code must retain the above copyright
12199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer.
13199767f8SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
14199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
15199767f8SToomas Soome  *    documentation and/or other materials provided with the distribution.
16199767f8SToomas Soome  *
17199767f8SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18199767f8SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19199767f8SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20199767f8SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21199767f8SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22199767f8SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23199767f8SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24199767f8SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25199767f8SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26199767f8SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27199767f8SToomas Soome  * SUCH DAMAGE.
28199767f8SToomas Soome  */
29199767f8SToomas Soome 
30199767f8SToomas Soome /*
31199767f8SToomas Soome  * H/MEM.H
32199767f8SToomas Soome  *
33199767f8SToomas Soome  * Basic memory pool / memory node structures.
34199767f8SToomas Soome  */
35199767f8SToomas Soome 
36f5700834SToomas Soome #ifndef _ZALLOC_MEM_H
37f5700834SToomas Soome #define	_ZALLOC_MEM_H
38f5700834SToomas Soome 
39199767f8SToomas Soome typedef struct MemNode {
40f5700834SToomas Soome 	struct MemNode	*mr_Next;
41f5700834SToomas Soome 	uintptr_t	mr_Bytes;
42199767f8SToomas Soome } MemNode;
43199767f8SToomas Soome 
44199767f8SToomas Soome typedef struct MemPool {
45f5700834SToomas Soome 	void		*mp_Base;
46f5700834SToomas Soome 	void		*mp_End;
47f5700834SToomas Soome 	MemNode		*mp_First;
48f5700834SToomas Soome 	uintptr_t	mp_Size;
49f5700834SToomas Soome 	uintptr_t	mp_Used;
50199767f8SToomas Soome } MemPool;
51199767f8SToomas Soome 
52f5700834SToomas Soome #define	ZNOTE_FREE	0
53f5700834SToomas Soome #define	ZNOTE_REUSE	1
54199767f8SToomas Soome 
55f5700834SToomas Soome #endif	/* _ZALLOC_MEM_H */
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