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| author | Ingo Molnar <mingo@kernel.org> | 2017-04-11 08:56:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-04-11 08:56:05 +0200 |
| commit | e5185a76a23b2d56fb2327ad8bd58fb1bcaa52b1 (patch) | |
| tree | 07a09b5e19a4d55c4a097b280eb64bd159ca0eb9 /arch/x86/include/asm/e820/api.h | |
| parent | b678c91aefa7ce05a5d195e0a5c7a357b62d3283 (diff) | |
| parent | 4729277156cf18acd9b9b04d6ef8c2a8a7bf00dc (diff) | |
| download | linux-e5185a76a23b2d56fb2327ad8bd58fb1bcaa52b1.tar.gz linux-e5185a76a23b2d56fb2327ad8bd58fb1bcaa52b1.tar.bz2 linux-e5185a76a23b2d56fb2327ad8bd58fb1bcaa52b1.zip | |
Merge branch 'x86/boot' into x86/mm, to avoid conflict
There's a conflict between ongoing level-5 paging support and
the E820 rewrite. Since the E820 rewrite is essentially ready,
merge it into x86/mm to reduce tree conflicts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/e820/api.h')
| -rw-r--r-- | arch/x86/include/asm/e820/api.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h new file mode 100644 index 000000000000..8e0f8b85b209 --- /dev/null +++ b/arch/x86/include/asm/e820/api.h @@ -0,0 +1,50 @@ +#ifndef _ASM_E820_API_H +#define _ASM_E820_API_H + +#include <asm/e820/types.h> + +extern struct e820_table *e820_table; +extern struct e820_table *e820_table_firmware; + +extern unsigned long pci_mem_start; + +extern bool e820__mapped_any(u64 start, u64 end, enum e820_type type); +extern bool e820__mapped_all(u64 start, u64 end, enum e820_type type); + +extern void e820__range_add (u64 start, u64 size, enum e820_type type); +extern u64 e820__range_update(u64 start, u64 size, enum e820_type old_type, enum e820_type new_type); +extern u64 e820__range_remove(u64 start, u64 size, enum e820_type old_type, bool check_type); + +extern void e820__print_table(char *who); +extern int e820__update_table(struct e820_table *table); +extern void e820__update_table_print(void); + +extern unsigned long e820__end_of_ram_pfn(void); +extern unsigned long e820__end_of_low_ram_pfn(void); + +extern u64 e820__memblock_alloc_reserved(u64 size, u64 align); +extern void e820__memblock_setup(void); + +extern void e820__reserve_setup_data(void); +extern void e820__finish_early_params(void); +extern void e820__reserve_resources(void); +extern void e820__reserve_resources_late(void); + +extern void e820__memory_setup(void); +extern void e820__memory_setup_extended(u64 phys_addr, u32 data_len); +extern char *e820__memory_setup_default(void); +extern void e820__setup_pci_gap(void); + +extern void e820__reallocate_tables(void); +extern void e820__register_nosave_regions(unsigned long limit_pfn); + +/* + * Returns true iff the specified range [start,end) is completely contained inside + * the ISA region. + */ +static inline bool is_ISA_range(u64 start, u64 end) +{ + return start >= ISA_START_ADDRESS && end <= ISA_END_ADDRESS; +} + +#endif /* _ASM_E820_API_H */ |