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a09bae0f8a
Currently the e820_table_firmware[] table is mainly used by the kexec, and it is not what it's supposed to be - despite its name it might be modified by the kernel. So change its name to e820_table_kexec[]. In the next patch we will introduce the real e820_table_firmware[] table. No functional change. Signed-off-by: Chen Yu <yu.c.chen@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Xunlei Pang <xlpang@redhat.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
#ifndef _ASM_E820_API_H
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#define _ASM_E820_API_H
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#include <asm/e820/types.h>
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extern struct e820_table *e820_table;
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extern struct e820_table *e820_table_kexec;
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extern unsigned long pci_mem_start;
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extern bool e820__mapped_any(u64 start, u64 end, enum e820_type type);
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extern bool e820__mapped_all(u64 start, u64 end, enum e820_type type);
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extern void e820__range_add (u64 start, u64 size, enum e820_type type);
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extern u64 e820__range_update(u64 start, u64 size, enum e820_type old_type, enum e820_type new_type);
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extern u64 e820__range_remove(u64 start, u64 size, enum e820_type old_type, bool check_type);
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extern void e820__print_table(char *who);
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extern int e820__update_table(struct e820_table *table);
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extern void e820__update_table_print(void);
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extern unsigned long e820__end_of_ram_pfn(void);
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extern unsigned long e820__end_of_low_ram_pfn(void);
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extern u64 e820__memblock_alloc_reserved(u64 size, u64 align);
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extern void e820__memblock_setup(void);
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extern void e820__reserve_setup_data(void);
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extern void e820__finish_early_params(void);
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extern void e820__reserve_resources(void);
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extern void e820__reserve_resources_late(void);
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extern void e820__memory_setup(void);
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extern void e820__memory_setup_extended(u64 phys_addr, u32 data_len);
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extern char *e820__memory_setup_default(void);
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extern void e820__setup_pci_gap(void);
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extern void e820__reallocate_tables(void);
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extern void e820__register_nosave_regions(unsigned long limit_pfn);
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/*
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* Returns true iff the specified range [start,end) is completely contained inside
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* the ISA region.
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*/
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static inline bool is_ISA_range(u64 start, u64 end)
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{
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return start >= ISA_START_ADDRESS && end <= ISA_END_ADDRESS;
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}
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#endif /* _ASM_E820_API_H */
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