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Diffstat (limited to 'include/asm-x86/mtrr.h')
| -rw-r--r-- | include/asm-x86/mtrr.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/include/asm-x86/mtrr.h b/include/asm-x86/mtrr.h deleted file mode 100644 index 23a7f83da953..000000000000 --- a/include/asm-x86/mtrr.h +++ /dev/null @@ -1,173 +0,0 @@ -/* Generic MTRR (Memory Type Range Register) ioctls. - - Copyright (C) 1997-1999 Richard Gooch - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Richard Gooch may be reached by email at rgooch@atnf.csiro.au - The postal address is: - Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia. -*/ -#ifndef ASM_X86__MTRR_H -#define ASM_X86__MTRR_H - -#include <linux/ioctl.h> -#include <linux/errno.h> - -#define MTRR_IOCTL_BASE 'M' - -struct mtrr_sentry { - unsigned long base; /* Base address */ - unsigned int size; /* Size of region */ - unsigned int type; /* Type of region */ -}; - -/* Warning: this structure has a different order from i386 - on x86-64. The 32bit emulation code takes care of that. - But you need to use this for 64bit, otherwise your X server - will break. */ - -#ifdef __i386__ -struct mtrr_gentry { - unsigned int regnum; /* Register number */ - unsigned long base; /* Base address */ - unsigned int size; /* Size of region */ - unsigned int type; /* Type of region */ -}; - -#else /* __i386__ */ - -struct mtrr_gentry { - unsigned long base; /* Base address */ - unsigned int size; /* Size of region */ - unsigned int regnum; /* Register number */ - unsigned int type; /* Type of region */ -}; -#endif /* !__i386__ */ - -/* 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 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_add(unsigned long base, unsigned long size, - unsigned int type, bool increment) -{ - return -ENODEV; -} -static inline int mtrr_add_page(unsigned long base, unsigned long size, - unsigned int type, bool increment) -{ - return -ENODEV; -} -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) -# 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 */ -}; - -struct mtrr_gentry32 { - compat_ulong_t regnum; /* Register number */ - compat_uint_t base; /* Base address */ - compat_uint_t size; /* Size of region */ - compat_uint_t type; /* Type of region */ -}; - -#define MTRR_IOCTL_BASE 'M' - -#define MTRRIOC32_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry32) -#define MTRRIOC32_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry32) -#define MTRRIOC32_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry32) -#define MTRRIOC32_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32) -#define MTRRIOC32_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry32) -#define MTRRIOC32_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry32) -#define MTRRIOC32_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry32) -#define MTRRIOC32_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry32) -#define MTRRIOC32_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32) -#define MTRRIOC32_KILL_PAGE_ENTRY \ - _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry32) -#endif /* CONFIG_COMPAT */ - -#endif /* __KERNEL__ */ - -#endif /* ASM_X86__MTRR_H */ |