mirror of https://gitee.com/openkylin/linux.git
26 lines
716 B
C
26 lines
716 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_PAT_H
|
|
#define _ASM_X86_PAT_H
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/pgtable_types.h>
|
|
|
|
bool pat_enabled(void);
|
|
void pat_disable(const char *reason);
|
|
extern void pat_init(void);
|
|
extern void 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 */
|