summaryrefslogtreecommitdiff
path: root/include/asm-x86/mtrr.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/mtrr.h')
-rw-r--r--include/asm-x86/mtrr.h173
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 23a7f83..0000000
--- 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 */