diff options
Diffstat (limited to 'arch/x86/include/asm/pat.h')
| -rw-r--r-- | arch/x86/include/asm/pat.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h new file mode 100644 index 00000000..e2c1668d --- /dev/null +++ b/arch/x86/include/asm/pat.h @@ -0,0 +1,27 @@ +#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); + +int io_reserve_memtype(resource_size_t start, resource_size_t end, + unsigned long *type); + +void io_free_memtype(resource_size_t start, resource_size_t end); + +#endif /* _ASM_X86_PAT_H */ |