#ifndef _LINUX_LMB_H #define _LINUX_LMB_H #ifdef __KERNEL__ /* * Logical memory blocks. * * 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 <linux/mm.h> #define MAX_LMB_REGIONS 128 struct lmb_property { u64 base; u64 size; }; struct lmb_region { unsigned long cnt; u64 size; struct lmb_property region[MAX_LMB_REGIONS+1]; }; struct lmb { unsigned long debug; u64 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 lmb_add(u64 base, u64 size); extern long lmb_remove(u64 base, u64 size); extern long __init lmb_reserve(u64 base, u64 size); extern u64 __init lmb_alloc_nid(u64 size, u64 align, int nid, u64 (*nid_range)(u64, u64, int *)); extern u64 __init lmb_alloc(u64 size, u64 align); extern u64 __init lmb_alloc_base(u64 size, u64, u64 max_addr); extern u64 __init __lmb_alloc_base(u64 size, u64 align, u64 max_addr); extern u64 __init lmb_phys_mem_size(void); extern u64 __init lmb_end_of_DRAM(void); extern void __init lmb_enforce_memory_limit(u64 memory_limit); extern int __init lmb_is_reserved(u64 addr); extern int lmb_find(struct lmb_property *res); extern void lmb_dump_all(void); static inline u64 lmb_size_bytes(struct lmb_region *type, unsigned long region_nr) { return type->region[region_nr].size; } static inline u64 lmb_size_pages(struct lmb_region *type, unsigned long region_nr) { return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT; } static inline u64 lmb_start_pfn(struct lmb_region *type, unsigned long region_nr) { return type->region[region_nr].base >> PAGE_SHIFT; } static inline u64 lmb_end_pfn(struct lmb_region *type, unsigned long region_nr) { return lmb_start_pfn(type, region_nr) + lmb_size_pages(type, region_nr); } #include <asm/lmb.h> #endif /* __KERNEL__ */ #endif /* _LINUX_LMB_H */