xref: /netbsd-src/sys/dev/fdt/fdt_memory.h (revision 53b02e147d4ed531c0d2a5ca9b3e8026ba3e99b5)
1 /* $NetBSD: fdt_memory.h,v 1.1 2020/12/12 09:27:31 skrll Exp $ */
2 
3 /*-
4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jared McNeill <jmcneill@invisible.ca>.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _DEV_FDT_FDT_MEMORY_H_
33 #define _DEV_FDT_FDT_MEMORY_H_
34 
35 struct fdt_memory {
36 	uint64_t	start;
37 	uint64_t	end;
38 };
39 
40 void	fdt_memory_init(void);
41 void	fdt_memory_get(uint64_t *, uint64_t *);
42 void	fdt_memory_add_range(uint64_t, uint64_t);
43 void	fdt_memory_remove_range(uint64_t, uint64_t);
44 void	fdt_memory_remove_reserved(uint64_t, uint64_t);
45 
46 void	fdt_memory_foreach(void (*)(const struct fdt_memory *, void *), void *);
47 
48 #endif /* _DEV_FDT_FDT_MEMORY_H_ */
49