| #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); |
| |
| extern int reserve_memtype(u64 start, u64 end, |
| unsigned long req_type, unsigned long *ret_type); |
| extern int free_memtype(u64 start, u64 end); |
| |
| extern int kernel_map_sync_memtype(u64 base, unsigned long size, |
| unsigned long flag); |
| extern void map_devmem(unsigned long pfn, unsigned long size, |
| struct pgprot vma_prot); |
| extern void unmap_devmem(unsigned long pfn, unsigned long size, |
| struct pgprot vma_prot); |
| |
| #endif /* _ASM_X86_PAT_H */ |