2005-04-17 06:20:36 +08:00
|
|
|
/*
|
|
|
|
* structures and definitions for the int 15, ax=e820 memory map
|
|
|
|
* scheme.
|
|
|
|
*
|
|
|
|
* In a nutshell, setup.S populates a scratch table in the
|
|
|
|
* empty_zero_block that contains a list of usable address/size
|
|
|
|
* duples. setup.c, this information is transferred into the e820map,
|
|
|
|
* and in init.c/numa.c, that new information is used to mark pages
|
|
|
|
* reserved or not.
|
|
|
|
*/
|
|
|
|
#ifndef __E820_HEADER
|
|
|
|
#define __E820_HEADER
|
|
|
|
|
2008-01-30 20:30:32 +08:00
|
|
|
#include <linux/ioport.h>
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
extern unsigned long find_e820_area(unsigned long start, unsigned long end,
|
|
|
|
unsigned size);
|
|
|
|
extern void add_memory_region(unsigned long start, unsigned long size,
|
|
|
|
int type);
|
|
|
|
extern void setup_memory_region(void);
|
|
|
|
extern void contig_e820_setup(void);
|
|
|
|
extern unsigned long e820_end_of_ram(void);
|
2008-01-30 20:30:32 +08:00
|
|
|
extern void e820_reserve_resources(struct resource *code_resource,
|
|
|
|
struct resource *data_resource, struct resource *bss_resource);
|
2006-09-26 14:32:46 +08:00
|
|
|
extern void e820_mark_nosave_regions(void);
|
2006-04-08 01:49:24 +08:00
|
|
|
extern int e820_any_mapped(unsigned long start, unsigned long end, unsigned type);
|
2006-04-08 01:49:27 +08:00
|
|
|
extern int e820_all_mapped(unsigned long start, unsigned long end, unsigned type);
|
2007-02-13 20:26:22 +08:00
|
|
|
extern unsigned long e820_hole_size(unsigned long start, unsigned long end);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-04-17 06:25:12 +08:00
|
|
|
extern void e820_setup_gap(void);
|
2006-09-27 16:49:52 +08:00
|
|
|
extern void e820_register_active_regions(int nid,
|
|
|
|
unsigned long start_pfn, unsigned long end_pfn);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2006-09-26 16:52:32 +08:00
|
|
|
extern void finish_e820_parsing(void);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
extern struct e820map e820;
|
2006-05-08 21:17:28 +08:00
|
|
|
|
|
|
|
extern unsigned ebda_addr, ebda_size;
|
2007-02-13 20:26:19 +08:00
|
|
|
extern unsigned long nodemap_addr, nodemap_size;
|
2005-04-17 06:20:36 +08:00
|
|
|
#endif/*!__ASSEMBLY__*/
|
|
|
|
|
|
|
|
#endif/*__E820_HEADER*/
|