87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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*** To edit the content of this header, modify the corresponding
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*** source file (e.g. under external/kernel-headers/original/) then
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*** run bionic/libc/kernel/tools/update_all.py
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***
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*** Any manual change here will be lost the next time this script will
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*** be run. You've been warned!
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _UAPI_ASM_X86_MTRR_H
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#define _UAPI_ASM_X86_MTRR_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#include <linux/errno.h>
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#define MTRR_IOCTL_BASE 'M'
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#ifdef __i386__
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struct mtrr_sentry {
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unsigned long base;
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unsigned int size;
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unsigned int type;
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};
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struct mtrr_gentry {
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unsigned int regnum;
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unsigned long base;
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unsigned int size;
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unsigned int type;
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};
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#else
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struct mtrr_sentry {
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__u64 base;
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__u32 size;
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__u32 type;
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};
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struct mtrr_gentry {
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__u64 base;
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__u32 size;
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__u32 regnum;
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__u32 type;
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__u32 _pad;
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};
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#endif
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struct mtrr_var_range {
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__u32 base_lo;
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__u32 base_hi;
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__u32 mask_lo;
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__u32 mask_hi;
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};
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typedef __u8 mtrr_type;
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#define MTRR_NUM_FIXED_RANGES 88
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#define MTRR_MAX_VAR_RANGES 256
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struct mtrr_state_type {
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struct mtrr_var_range var_ranges[MTRR_MAX_VAR_RANGES];
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mtrr_type fixed_ranges[MTRR_NUM_FIXED_RANGES];
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unsigned char enabled;
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unsigned char have_fixed;
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mtrr_type def_type;
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};
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#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
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#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
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#define MTRRIOC_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry)
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#define MTRRIOC_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry)
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#define MTRRIOC_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry)
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#define MTRRIOC_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
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#define MTRRIOC_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry)
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#define MTRRIOC_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry)
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#define MTRRIOC_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry)
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#define MTRRIOC_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry)
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#define MTRRIOC_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
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#define MTRRIOC_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry)
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#define MTRR_TYPE_UNCACHABLE 0
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#define MTRR_TYPE_WRCOMB 1
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#define MTRR_TYPE_WRTHROUGH 4
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#define MTRR_TYPE_WRPROT 5
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#define MTRR_TYPE_WRBACK 6
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#define MTRR_NUM_TYPES 7
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#define MTRR_TYPE_INVALID 0xff
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#endif
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