#ifndef _PPC64_LMB_H #define _PPC64_LMB_H #ifdef __KERNEL__ /* * Definitions for talking to the Open Firmware PROM on * Power Macintosh computers. * * Copyright (C) 2001 Peter Bergner, IBM Corp. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/init.h> #include <asm/prom.h> #define MAX_LMB_REGIONS 128 struct lmb_property { unsigned long base; unsigned long size; }; struct lmb_region { unsigned long cnt; unsigned long size; struct lmb_property region[MAX_LMB_REGIONS+1]; }; struct lmb { unsigned long debug; unsigned long rmo_size; struct lmb_region memory; struct lmb_region reserved; }; extern struct lmb lmb; extern void __init lmb_init(void); extern void __init lmb_analyze(void); extern long __init lmb_add(unsigned long base, unsigned long size); extern long __init lmb_reserve(unsigned long base, unsigned long size); extern unsigned long __init lmb_alloc(unsigned long size, unsigned long align); extern unsigned long __init lmb_alloc_base(unsigned long size, unsigned long align, unsigned long max_addr); extern unsigned long __init __lmb_alloc_base(unsigned long size, unsigned long align, unsigned long max_addr); extern unsigned long __init lmb_phys_mem_size(void); extern unsigned long __init lmb_end_of_DRAM(void); extern void __init lmb_enforce_memory_limit(unsigned long memory_limit); extern void lmb_dump_all(void); static inline unsigned long lmb_size_bytes(struct lmb_region *type, unsigned long region_nr) { return type->region[region_nr].size; } static inline unsigned long lmb_size_pages(struct lmb_region *type, unsigned long region_nr) { return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT; } static inline unsigned long lmb_start_pfn(struct lmb_region *type, unsigned long region_nr) { return type->region[region_nr].base >> PAGE_SHIFT; } static inline unsigned long lmb_end_pfn(struct lmb_region *type, unsigned long region_nr) { return lmb_start_pfn(type, region_nr) + lmb_size_pages(type, region_nr); } #endif /* __KERNEL__ */ #endif /* _PPC64_LMB_H */