#ifndef _ASM_X86_E820_H #define _ASM_X86_E820_H #ifdef CONFIG_EFI #include <linux/numa.h> #define E820_X_MAX (E820MAX + 3 * MAX_NUMNODES) #else /* ! CONFIG_EFI */ #define E820_X_MAX E820MAX #endif #include <uapi/asm/e820.h> #ifndef __ASSEMBLY__ /* see comment in arch/x86/kernel/e820.c */ extern struct e820map e820; extern struct e820map e820_saved; extern unsigned long pci_mem_start; extern int e820_any_mapped(u64 start, u64 end, unsigned type); extern int e820_all_mapped(u64 start, u64 end, unsigned type); extern void e820_add_region(u64 start, u64 size, int type); extern void e820_print_map(char *who); extern int sanitize_e820_map(struct e820entry *biosmap, int max_nr_map, u32 *pnr_map); 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); extern void update_e820(void); extern void e820_setup_gap(void); extern int e820_search_gap(unsigned long *gapstart, unsigned long *gapsize, unsigned long start_addr, unsigned long long end_addr); struct setup_data; extern void parse_e820_ext(u64 phys_addr, u32 data_len); #if defined(CONFIG_X86_64) || \ (defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION)) extern void e820_mark_nosave_regions(unsigned long limit_pfn); #else static inline void e820_mark_nosave_regions(unsigned long limit_pfn) { } #endif extern unsigned long e820_end_of_ram_pfn(void); extern unsigned long e820_end_of_low_ram_pfn(void); extern u64 early_reserve_e820(u64 sizet, u64 align); void memblock_x86_fill(void); void memblock_find_dma_reserve(void); extern void finish_e820_parsing(void); extern void e820_reserve_resources(void); extern void e820_reserve_resources_late(void); extern void setup_memory_map(void); extern char *default_machine_specific_memory_setup(void); /* * Returns true iff the specified range [s,e) is completely contained inside * the ISA region. */ static inline bool is_ISA_range(u64 s, u64 e) { return s >= ISA_START_ADDRESS && e <= ISA_END_ADDRESS; } #endif /* __ASSEMBLY__ */ #include <linux/ioport.h> #define HIGH_MEMORY (1024*1024) #endif /* _ASM_X86_E820_H */