|  | /* | 
|  | * This file is auto-generated. Modifications will be lost. | 
|  | * | 
|  | * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ | 
|  | * for more information. | 
|  | */ | 
|  | #ifndef _UAPI_ASM_X86_MTRR_H | 
|  | #define _UAPI_ASM_X86_MTRR_H | 
|  | #include <linux/types.h> | 
|  | #include <linux/ioctl.h> | 
|  | #include <linux/errno.h> | 
|  | #define MTRR_IOCTL_BASE 'M' | 
|  | #ifdef __i386__ | 
|  | struct mtrr_sentry { | 
|  | unsigned long base; | 
|  | unsigned int size; | 
|  | unsigned int type; | 
|  | }; | 
|  | struct mtrr_gentry { | 
|  | unsigned int regnum; | 
|  | unsigned long base; | 
|  | unsigned int size; | 
|  | unsigned int type; | 
|  | }; | 
|  | #else | 
|  | struct mtrr_sentry { | 
|  | __u64 base; | 
|  | __u32 size; | 
|  | __u32 type; | 
|  | }; | 
|  | struct mtrr_gentry { | 
|  | __u64 base; | 
|  | __u32 size; | 
|  | __u32 regnum; | 
|  | __u32 type; | 
|  | __u32 _pad; | 
|  | }; | 
|  | #endif | 
|  | struct mtrr_var_range { | 
|  | __u32 base_lo; | 
|  | __u32 base_hi; | 
|  | __u32 mask_lo; | 
|  | __u32 mask_hi; | 
|  | }; | 
|  | typedef __u8 mtrr_type; | 
|  | #define MTRR_NUM_FIXED_RANGES 88 | 
|  | #define MTRR_MAX_VAR_RANGES 256 | 
|  | #define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg)) | 
|  | #define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1) | 
|  | #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) | 
|  | #define MTRR_TYPE_UNCACHABLE 0 | 
|  | #define MTRR_TYPE_WRCOMB 1 | 
|  | #define MTRR_TYPE_WRTHROUGH 4 | 
|  | #define MTRR_TYPE_WRPROT 5 | 
|  | #define MTRR_TYPE_WRBACK 6 | 
|  | #define MTRR_NUM_TYPES 7 | 
|  | #define MTRR_TYPE_INVALID 0xff | 
|  | #endif |