/* $NetBSD: fdt_memory.h,v 1.2 2022/11/04 10:51:16 jmcneill Exp $ */

/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jared McNeill <[email protected]>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _DEV_FDT_FDT_MEMORY_H_
#define _DEV_FDT_FDT_MEMORY_H_

#include "opt_fdt.h"

#ifndef FDT_MEMORY_RANGES
#define FDT_MEMORY_RANGES 256
#endif

struct fdt_memory {
       uint64_t        start;
       uint64_t        end;
};

void    fdt_memory_init(void);
void    fdt_memory_get(uint64_t *, uint64_t *);
void    fdt_memory_add_range(uint64_t, uint64_t);
void    fdt_memory_remove_range(uint64_t, uint64_t);
void    fdt_memory_remove_reserved(uint64_t, uint64_t);

void    fdt_memory_foreach(void (*)(const struct fdt_memory *, void *), void *);

#endif /* _DEV_FDT_FDT_MEMORY_H_ */