7 * Logical memory blocks.
9 * Copyright (C) 2001 Peter Bergner, IBM Corp.
11 * SPDX-License-Identifier: GPL-2.0+
14 #define MAX_LMB_REGIONS 8
24 struct lmb_property region[MAX_LMB_REGIONS+1];
28 struct lmb_region memory;
29 struct lmb_region reserved;
32 extern struct lmb lmb;
34 extern void lmb_init(struct lmb *lmb);
35 extern long lmb_add(struct lmb *lmb, phys_addr_t base, phys_size_t size);
36 extern long lmb_reserve(struct lmb *lmb, phys_addr_t base, phys_size_t size);
37 extern phys_addr_t lmb_alloc(struct lmb *lmb, phys_size_t size, ulong align);
38 extern phys_addr_t lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align,
39 phys_addr_t max_addr);
40 extern phys_addr_t __lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align,
41 phys_addr_t max_addr);
42 extern int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr);
43 extern long lmb_free(struct lmb *lmb, phys_addr_t base, phys_size_t size);
45 extern void lmb_dump_all(struct lmb *lmb);
47 static inline phys_size_t
48 lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
50 return type->region[region_nr].size;
53 void board_lmb_reserve(struct lmb *lmb);
54 void arch_lmb_reserve(struct lmb *lmb);
56 #endif /* __KERNEL__ */
58 #endif /* _LINUX_LMB_H */