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