mirror of https://gitee.com/openkylin/linux.git
27 lines
674 B
C
27 lines
674 B
C
#ifndef _ASM_X86_PAT_H
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#define _ASM_X86_PAT_H
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#include <linux/types.h>
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#include <asm/pgtable_types.h>
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#ifdef CONFIG_X86_PAT
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extern int pat_enabled;
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#else
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static const int pat_enabled;
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#endif
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extern void pat_init(void);
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extern int reserve_memtype(u64 start, u64 end,
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unsigned long req_type, unsigned long *ret_type);
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extern int free_memtype(u64 start, u64 end);
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extern int kernel_map_sync_memtype(u64 base, unsigned long size,
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unsigned long flag);
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extern void map_devmem(unsigned long pfn, unsigned long size,
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struct pgprot vma_prot);
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extern void unmap_devmem(unsigned long pfn, unsigned long size,
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struct pgprot vma_prot);
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#endif /* _ASM_X86_PAT_H */
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