1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _ASM_E820_API_H |
3 | #define _ASM_E820_API_H |
4 | |
5 | #include <asm/e820/types.h> |
6 | |
7 | extern struct e820_table *e820_table; |
8 | extern struct e820_table *e820_table_kexec; |
9 | extern struct e820_table *e820_table_firmware; |
10 | |
11 | extern unsigned long pci_mem_start; |
12 | |
13 | extern bool e820__mapped_any(u64 start, u64 end, enum e820_type type); |
14 | extern bool e820__mapped_all(u64 start, u64 end, enum e820_type type); |
15 | |
16 | extern void e820__range_add (u64 start, u64 size, enum e820_type type); |
17 | extern u64 e820__range_update(u64 start, u64 size, enum e820_type old_type, enum e820_type new_type); |
18 | extern u64 e820__range_remove(u64 start, u64 size, enum e820_type old_type, bool check_type); |
19 | |
20 | extern void e820__print_table(char *who); |
21 | extern int e820__update_table(struct e820_table *table); |
22 | extern void e820__update_table_print(void); |
23 | |
24 | extern unsigned long e820__end_of_ram_pfn(void); |
25 | extern unsigned long e820__end_of_low_ram_pfn(void); |
26 | |
27 | extern u64 e820__memblock_alloc_reserved(u64 size, u64 align); |
28 | extern void e820__memblock_setup(void); |
29 | |
30 | extern void e820__reserve_setup_data(void); |
31 | extern void e820__finish_early_params(void); |
32 | extern void e820__reserve_resources(void); |
33 | extern void e820__reserve_resources_late(void); |
34 | |
35 | extern void e820__memory_setup(void); |
36 | extern void e820__memory_setup_extended(u64 phys_addr, u32 data_len); |
37 | extern char *e820__memory_setup_default(void); |
38 | extern void e820__setup_pci_gap(void); |
39 | |
40 | extern void e820__reallocate_tables(void); |
41 | extern void e820__register_nosave_regions(unsigned long limit_pfn); |
42 | |
43 | extern int e820__get_entry_type(u64 start, u64 end); |
44 | |
45 | /* |
46 | * Returns true iff the specified range [start,end) is completely contained inside |
47 | * the ISA region. |
48 | */ |
49 | static inline bool is_ISA_range(u64 start, u64 end) |
50 | { |
51 | return start >= ISA_START_ADDRESS && end <= ISA_END_ADDRESS; |
52 | } |
53 | |
54 | #endif /* _ASM_E820_API_H */ |
55 | |