7 * Logical memory blocks.
9 * Copyright (C) 2001 Peter Bergner, IBM Corp.
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version
14 * 2 of the License, or (at your option) any later version.
17 #define MAX_LMB_REGIONS 8
27 struct lmb_property region[MAX_LMB_REGIONS+1];
31 struct lmb_region memory;
32 struct lmb_region reserved;
35 extern struct lmb lmb;
37 extern void lmb_init(struct lmb *lmb);
38 extern long lmb_add(struct lmb *lmb, phys_addr_t base, phys_size_t size);
39 extern long lmb_reserve(struct lmb *lmb, phys_addr_t base, phys_size_t size);
40 extern phys_addr_t lmb_alloc(struct lmb *lmb, phys_size_t size, ulong align);
41 extern phys_addr_t lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align,
42 phys_addr_t max_addr);
43 extern phys_addr_t __lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align,
44 phys_addr_t max_addr);
45 extern int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr);
46 extern long lmb_free(struct lmb *lmb, phys_addr_t base, phys_size_t size);
48 extern void lmb_dump_all(struct lmb *lmb);
50 static inline phys_size_t
51 lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
53 return type->region[region_nr].size;
55 #endif /* __KERNEL__ */
57 #endif /* _LINUX_LMB_H */