diff options
Diffstat (limited to 'xenolinux-2.4.21-pre4-sparse/include/asm-xeno/mtrr.h')
| -rw-r--r-- | xenolinux-2.4.21-pre4-sparse/include/asm-xeno/mtrr.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/mtrr.h b/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/mtrr.h deleted file mode 100644 index ff3ea870d0..0000000000 --- a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/mtrr.h +++ /dev/null @@ -1,127 +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 _LINUX_MTRR_H -#define _LINUX_MTRR_H - -#include <linux/config.h> -#include <linux/ioctl.h> - -#define MTRR_IOCTL_BASE 'M' - -struct mtrr_sentry -{ - unsigned long base; /* Base address */ - unsigned long size; /* Size of region */ - unsigned int type; /* Type of region */ -}; - -struct mtrr_gentry -{ - unsigned int regnum; /* Register number */ - unsigned long base; /* Base address */ - unsigned long size; /* Size of region */ - unsigned int type; /* Type of region */ -}; - -/* 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 MTRR_NEED_STRINGS -static char *mtrr_strings[MTRR_NUM_TYPES] = -{ - "uncachable", /* 0 */ - "write-combining", /* 1 */ - "?", /* 2 */ - "?", /* 3 */ - "write-through", /* 4 */ - "write-protect", /* 5 */ - "write-back", /* 6 */ -}; -#endif - -#ifdef __KERNEL__ - -/* The following functions are for use by other drivers */ -# ifdef CONFIG_MTRR -extern int mtrr_add (unsigned long base, unsigned long size, - unsigned int type, char increment); -extern int mtrr_add_page (unsigned long base, unsigned long size, - unsigned int type, char 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); -# else -static __inline__ int mtrr_add (unsigned long base, unsigned long size, - unsigned int type, char increment) -{ - return -ENODEV; -} -static __inline__ int mtrr_add_page (unsigned long base, unsigned long size, - unsigned int type, char 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__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;} - -# endif - -/* The following functions are for initialisation: don't use them! */ -extern int mtrr_init (void); -# if defined(CONFIG_SMP) && defined(CONFIG_MTRR) -extern void mtrr_init_boot_cpu (void); -extern void mtrr_init_secondary_cpu (void); -# endif - -#endif - -#endif /* _LINUX_MTRR_H */ |