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

#ifndef _ASM_X86_PAT_H
#define _ASM_X86_PAT_H

#include <linux/types.h>
#include <asm/pgtable_types.h>

#ifdef CONFIG_X86_PAT
extern int pat_enabled;
#else
static const int pat_enabled;
#endif

extern void pat_init(void);
void pat_init_cache_modes(void);

extern int reserve_memtype(u64 start, u64 end,
		enum page_cache_mode req_pcm, enum page_cache_mode *ret_pcm);
extern int free_memtype(u64 start, u64 end);

extern int kernel_map_sync_memtype(u64 base, unsigned long size,
		enum page_cache_mode pcm);

int io_reserve_memtype(resource_size_t start, resource_size_t end,
			enum page_cache_mode *pcm);

void io_free_memtype(resource_size_t start, resource_size_t end);

#endif /* _ASM_X86_PAT_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_PAT_H
1965aae3 PA	2	#define _ASM_X86_PAT_H
2e5d9c85	3
2e5d9c85	4	#include <linux/types.h>
a964e33c	5	#include <asm/pgtable_types.h>
2e5d9c85	6
8d4a4300	7	#ifdef CONFIG_X86_PAT
499f8f84	8	extern int pat_enabled;
8d4a4300	9	#else
499f8f84	10	static const int pat_enabled;
8d4a4300	11	#endif
2e5d9c85	12
2e5d9c85	13	extern void pat_init(void);
bd809af1	14	void pat_init_cache_modes(void);
2e5d9c85	15
2e5d9c85	16	extern int reserve_memtype(u64 start, u64 end,
e00c8cc9	17	enum page_cache_mode req_pcm, enum page_cache_mode *ret_pcm);
2e5d9c85	18	extern int free_memtype(u64 start, u64 end);
2e5d9c85	19
7880f746	20	extern int kernel_map_sync_memtype(u64 base, unsigned long size,
b14097bd	21	enum page_cache_mode pcm);
7880f746	22
9fd126bc	23	int io_reserve_memtype(resource_size_t start, resource_size_t end,
49a3b3cb	24	enum page_cache_mode *pcm);
9fd126bc VP	25
	26	void io_free_memtype(resource_size_t start, resource_size_t end);
	27
1965aae3	28	#endif /* _ASM_X86_PAT_H */