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We have these three related functions: extern void e820_add_region(u64 start, u64 size, int type); extern u64 e820_update_range(u64 start, u64 size, unsigned old_type, unsigned new_type); extern u64 e820_remove_range(u64 start, u64 size, unsigned old_type, int checktype); But it's not clear from the naming that they are 3 operations based around the same 'memory range' concept. Rename them to better signal this, and move the prototypes next to each other: extern void e820__range_add (u64 start, u64 size, int type); extern u64 e820__range_update(u64 start, u64 size, unsigned old_type, unsigned new_type); extern u64 e820__range_remove(u64 start, u64 size, unsigned old_type, int checktype); Note that this improved organization of the functions shows another problem that was easy to miss before: sometimes the E820 entry type is 'int', sometimes 'unsigned int' - but this will be fixed in a separate patch. No change in functionality. Cc: Alex Thorlton <athorlton@sgi.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Huang, Ying <ying.huang@intel.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul Jackson <pj@sgi.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Wei Yang <richard.weiyang@gmail.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
45 lines
1.6 KiB
C
45 lines
1.6 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_firmware;
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extern unsigned long pci_mem_start;
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extern int e820__mapped_any(u64 start, u64 end, unsigned type);
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extern int e820__mapped_all(u64 start, u64 end, unsigned type);
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extern void e820__range_add (u64 start, u64 size, int type);
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extern u64 e820__range_update(u64 start, u64 size, unsigned old_type, unsigned new_type);
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extern u64 e820__range_remove(u64 start, u64 size, unsigned old_type, int checktype);
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extern void e820_print_map(char *who);
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extern int e820__update_table(struct e820_entry *biosmap, int max_nr_map, u32 *pnr_map);
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extern void e820__update_table_print(void);
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extern void e820__setup_pci_gap(void);
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extern void e820__memory_setup_extended(u64 phys_addr, u32 data_len);
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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 sizet, 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 char *e820__memory_setup_default(void);
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extern void e820_reallocate_tables(void);
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extern void e820_mark_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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