[deliverable/linux.git] / arch / x86 / include / asm / e820.h

#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

#ifdef CONFIG_MEMTEST
extern void early_memtest(unsigned long start, unsigned long end);
#else
static inline void early_memtest(unsigned long start, unsigned long end)
{
}
#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 */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_E820_H
1965aae3 PA	2	#define _ASM_X86_E820_H
028b7858	3
028b7858 PJ	4	#ifdef CONFIG_EFI
	5	#include <linux/numa.h>
	6	#define E820_X_MAX (E820MAX + 3 * MAX_NUMNODES)
	7	#else /* ! CONFIG_EFI */
	8	#define E820_X_MAX E820MAX
	9	#endif
af170c50	10	#include <uapi/asm/e820.h>
ee8e7cfe	11	#ifndef __ASSEMBLY__
5dfcf14d	12	/* see comment in arch/x86/kernel/e820.c */
b79cd8f1	13	extern struct e820map e820;
5dfcf14d	14	extern struct e820map e820_saved;
b79cd8f1	15
a7b7511a	16	extern unsigned long pci_mem_start;
b79cd8f1 YL	17	extern int e820_any_mapped(u64 start, u64 end, unsigned type);
b79cd8f1 YL	18	extern int e820_all_mapped(u64 start, u64 end, unsigned type);
d0be6bde	19	extern void e820_add_region(u64 start, u64 size, int type);
b79cd8f1	20	extern void e820_print_map(char *who);
c3965bd1	21	extern int
ba639039	22	sanitize_e820_map(struct e820entry biosmap, int max_nr_map, u32 pnr_map);
d0be6bde	23	extern u64 e820_update_range(u64 start, u64 size, unsigned old_type,
b79cd8f1	24	unsigned new_type);
7a1fd986 YL	25	extern u64 e820_remove_range(u64 start, u64 size, unsigned old_type,
7a1fd986 YL	26	int checktype);
b79cd8f1 YL	27	extern void update_e820(void);
b79cd8f1 YL	28	extern void e820_setup_gap(void);
3381959d	29	extern int e820_search_gap(unsigned long gapstart, unsigned long gapsize,
fd6493e1	30	unsigned long start_addr, unsigned long long end_addr);
8c5beb50	31	struct setup_data;
30e46b57	32	extern void parse_e820_ext(u64 phys_addr, u32 data_len);
b79cd8f1	33
bf62f398 YL	34	#if defined(CONFIG_X86_64) \|\| \
	35	(defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION))
	36	extern void e820_mark_nosave_regions(unsigned long limit_pfn);
	37	#else
	38	static inline void e820_mark_nosave_regions(unsigned long limit_pfn)
	39	{
	40	}
	41	#endif
	42
1f067167 YL	43	#ifdef CONFIG_MEMTEST
	44	extern void early_memtest(unsigned long start, unsigned long end);
	45	#else
	46	static inline void early_memtest(unsigned long start, unsigned long end)
	47	{
	48	}
	49	#endif
	50
f361a450 YL	51	extern unsigned long e820_end_of_ram_pfn(void);
f361a450 YL	52	extern unsigned long e820_end_of_low_ram_pfn(void);
ab5d140b	53	extern u64 early_reserve_e820(u64 sizet, u64 align);
72d7c3b3 YL	54
72d7c3b3 YL	55	void memblock_x86_fill(void);
6f2a7536 YL	56	void memblock_find_dma_reserve(void);
6f2a7536 YL	57
ab4a465e	58	extern void finish_e820_parsing(void);
41c094fd	59	extern void e820_reserve_resources(void);
58f7c988	60	extern void e820_reserve_resources_late(void);
064d25f1	61	extern void setup_memory_map(void);
95a71a45	62	extern char *default_machine_specific_memory_setup(void);
ee8e7cfe	63
ccef0864 PA	64	/*
	65	* Returns true iff the specified range [s,e) is completely contained inside
	66	* the ISA region.
	67	*/
65f116f5 PA	68	static inline bool is_ISA_range(u64 s, u64 e)
65f116f5 PA	69	{
ccef0864	70	return s >= ISA_START_ADDRESS && e <= ISA_END_ADDRESS;
65f116f5	71	}
306c142f	72
65f116f5	73	#endif /* __ASSEMBLY__ */
064d25f1 YL	74	#include <linux/ioport.h>
064d25f1 YL	75
064d25f1	76	#define HIGH_MEMORY (1024*1024)
1965aae3	77	#endif /* _ASM_X86_E820_H */