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git.odroid.com / yocto / kernel / common / 224bb1e5d67ba0f2872c98002d6a6f991ac6fd4a / . / arch / x86 / include / asm / pat.h
blob: 0ad356c066eff47f211ef597baf15eae5defe8cc [file] [log] [blame]
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame]1#ifndef _ASM_X86_PAT_H
2#define _ASM_X86_PAT_H
venkatesh.pallipadi@intel.com2e5d9c82008-03-18 17:00:14 -0700[diff] [blame]3
4#include <linux/types.h>
Jeremy Fitzhardingea964e332009-03-04 17:14:30 -0800[diff] [blame]5#include <asm/pgtable_types.h>
venkatesh.pallipadi@intel.com2e5d9c82008-03-18 17:00:14 -0700[diff] [blame]6
Luis R. Rodriguezcb32edf2015-05-26 10:28:15 +0200[diff] [blame]7bool pat_enabled(void);
Toshi Kani224bb1e2016-03-23 15:41:58 -0600[diff] [blame^]8void pat_disable(const char *reason);
venkatesh.pallipadi@intel.com2e5d9c82008-03-18 17:00:14 -0700[diff] [blame]9extern void pat_init(void);
Toshi Kani02f037d2016-03-23 15:41:57 -0600[diff] [blame]10void __init_cache_modes(u64);
venkatesh.pallipadi@intel.com2e5d9c82008-03-18 17:00:14 -0700[diff] [blame]11
12extern int reserve_memtype(u64 start, u64 end,
Juergen Grosse00c8cc2014-11-03 14:01:59 +0100[diff] [blame]13 enum page_cache_mode req_pcm, enum page_cache_mode *ret_pcm);
venkatesh.pallipadi@intel.com2e5d9c82008-03-18 17:00:14 -0700[diff] [blame]14extern int free_memtype(u64 start, u64 end);
15
Venkatesh Pallipadi7880f742009-02-24 17:35:13 -0800[diff] [blame]16extern int kernel_map_sync_memtype(u64 base, unsigned long size,
Juergen Grossb14097b2014-11-03 14:01:58 +0100[diff] [blame]17 enum page_cache_mode pcm);
Venkatesh Pallipadi7880f742009-02-24 17:35:13 -0800[diff] [blame]18
Venkatesh Pallipadi9fd126bc2009-07-10 09:57:34 -0700[diff] [blame]19int io_reserve_memtype(resource_size_t start, resource_size_t end,
Juergen Gross49a3b3c2014-11-03 14:01:54 +0100[diff] [blame]20 enum page_cache_mode *pcm);
Venkatesh Pallipadi9fd126bc2009-07-10 09:57:34 -0700[diff] [blame]21
22void io_free_memtype(resource_size_t start, resource_size_t end);
23
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame]24#endif /* _ASM_X86_PAT_H */