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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
66441bd3 IM |
2 | #ifndef _ASM_E820_API_H |
3 | #define _ASM_E820_API_H | |
028b7858 | 4 | |
70a9d818 | 5 | #include <asm/e820/types.h> |
9d2f86c6 | 6 | |
61a50101 | 7 | extern struct e820_table *e820_table; |
a09bae0f | 8 | extern struct e820_table *e820_table_kexec; |
12df216c | 9 | extern struct e820_table *e820_table_firmware; |
b79cd8f1 | 10 | |
a7b7511a | 11 | extern unsigned long pci_mem_start; |
0f856508 | 12 | |
81b3e090 IM |
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); | |
ab6bc04c | 15 | |
6afc03b8 IM |
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); | |
81b3e090 | 18 | extern u64 e820__range_remove(u64 start, u64 size, enum e820_type old_type, bool check_type); |
ab6bc04c | 19 | |
be0c3f0f | 20 | extern void e820__print_table(char *who); |
f9748fa0 | 21 | extern int e820__update_table(struct e820_table *table); |
6464d294 | 22 | extern void e820__update_table_print(void); |
2504be78 | 23 | |
0c6fc11a IM |
24 | extern unsigned long e820__end_of_ram_pfn(void); |
25 | extern unsigned long e820__end_of_low_ram_pfn(void); | |
2504be78 | 26 | |
1a127034 | 27 | extern u64 e820__memblock_alloc_reserved(u64 size, u64 align); |
4918e228 | 28 | extern void e820__memblock_setup(void); |
2504be78 | 29 | |
1a127034 | 30 | extern void e820__reserve_setup_data(void); |
9641bdaf | 31 | extern void e820__finish_early_params(void); |
1506c8dc IM |
32 | extern void e820__reserve_resources(void); |
33 | extern void e820__reserve_resources_late(void); | |
2504be78 | 34 | |
103e2063 | 35 | extern void e820__memory_setup(void); |
2504be78 | 36 | extern void e820__memory_setup_extended(u64 phys_addr, u32 data_len); |
103e2063 | 37 | extern char *e820__memory_setup_default(void); |
2504be78 IM |
38 | extern void e820__setup_pci_gap(void); |
39 | ||
0c6fc11a | 40 | extern void e820__reallocate_tables(void); |
090d7171 | 41 | extern void e820__register_nosave_regions(unsigned long limit_pfn); |
0f856508 | 42 | |
d68baa3f TL |
43 | extern int e820__get_entry_type(u64 start, u64 end); |
44 | ||
ccef0864 | 45 | /* |
0f856508 | 46 | * Returns true iff the specified range [start,end) is completely contained inside |
ccef0864 PA |
47 | * the ISA region. |
48 | */ | |
0f856508 | 49 | static inline bool is_ISA_range(u64 start, u64 end) |
65f116f5 | 50 | { |
0f856508 | 51 | return start >= ISA_START_ADDRESS && end <= ISA_END_ADDRESS; |
65f116f5 | 52 | } |
306c142f | 53 | |
66441bd3 | 54 | #endif /* _ASM_E820_API_H */ |