-/* These are the various ioctls */
-#define MTRRIOC_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry)
-#define MTRRIOC_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry)
-#define MTRRIOC_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry)
-#define MTRRIOC_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
-#define MTRRIOC_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry)
-#define MTRRIOC_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry)
-#define MTRRIOC_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry)
-#define MTRRIOC_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry)
-#define MTRRIOC_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
-#define MTRRIOC_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry)
-
-/* These are the region types */
-#define MTRR_TYPE_UNCACHABLE 0
-#define MTRR_TYPE_WRCOMB 1
-/*#define MTRR_TYPE_ 2*/
-/*#define MTRR_TYPE_ 3*/
-#define MTRR_TYPE_WRTHROUGH 4
-#define MTRR_TYPE_WRPROT 5
-#define MTRR_TYPE_WRBACK 6
-#define MTRR_NUM_TYPES 7
-
-#ifdef __KERNEL__
-
-/* The following functions are for use by other drivers */
-# ifdef CONFIG_MTRR
-extern u8 mtrr_type_lookup(u64 addr, u64 end);
-extern void mtrr_save_fixed_ranges(void *);
-extern void mtrr_save_state(void);
-extern int mtrr_add(unsigned long base, unsigned long size,
- unsigned int type, bool increment);
-extern int mtrr_add_page(unsigned long base, unsigned long size,
- unsigned int type, bool increment);
-extern int mtrr_del(int reg, unsigned long base, unsigned long size);
-extern int mtrr_del_page(int reg, unsigned long base, unsigned long size);
-extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
-extern void mtrr_ap_init(void);
-extern void mtrr_bp_init(void);
-extern void set_mtrr_aps_delayed_init(void);
-extern void mtrr_aps_init(void);
-extern void mtrr_bp_restore(void);
-extern int mtrr_trim_uncached_memory(unsigned long end_pfn);
-extern int amd_special_default_mtrr(void);
-# else
-static inline u8 mtrr_type_lookup(u64 addr, u64 end)
-{
- /*
- * Return no-MTRRs:
- */
- return 0xff;
-}
-#define mtrr_save_fixed_ranges(arg) do {} while (0)
-#define mtrr_save_state() do {} while (0)
-static inline int mtrr_del(int reg, unsigned long base, unsigned long size)
-{
- return -ENODEV;
-}
-static inline int mtrr_del_page(int reg, unsigned long base, unsigned long size)
-{
- return -ENODEV;
-}
-static inline int mtrr_trim_uncached_memory(unsigned long end_pfn)
-{
- return 0;
-}
-static inline void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi)
-{
-}
-
-#define mtrr_ap_init() do {} while (0)
-#define mtrr_bp_init() do {} while (0)
-#define set_mtrr_aps_delayed_init() do {} while (0)
-#define mtrr_aps_init() do {} while (0)
-#define mtrr_bp_restore() do {} while (0)
-# endif
-
-#ifdef CONFIG_COMPAT
-#include <linux/compat.h>
-
-struct mtrr_sentry32 {
- compat_ulong_t base; /* Base address */
- compat_uint_t size; /* Size of region */
- compat_uint_t type; /* Type of region */