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-rw-r--r--include/asm-x86/Kbuild2
-rw-r--r--include/asm-x86/mtrr.h175
-rw-r--r--include/asm-x86/mtrr_32.h115
-rw-r--r--include/asm-x86/mtrr_64.h152
4 files changed, 163 insertions, 281 deletions
diff --git a/include/asm-x86/Kbuild b/include/asm-x86/Kbuild
index 6e3ef075d582..f8592607bed2 100644
--- a/include/asm-x86/Kbuild
+++ b/include/asm-x86/Kbuild
@@ -17,8 +17,6 @@ unifdef-y += mce.h
17unifdef-y += msr_32.h 17unifdef-y += msr_32.h
18unifdef-y += msr_64.h 18unifdef-y += msr_64.h
19unifdef-y += msr.h 19unifdef-y += msr.h
20unifdef-y += mtrr_32.h
21unifdef-y += mtrr_64.h
22unifdef-y += mtrr.h 20unifdef-y += mtrr.h
23unifdef-y += page_32.h 21unifdef-y += page_32.h
24unifdef-y += page_64.h 22unifdef-y += page_64.h
diff --git a/include/asm-x86/mtrr.h b/include/asm-x86/mtrr.h
index 34f633b3e00c..e8320e4e6ca2 100644
--- a/include/asm-x86/mtrr.h
+++ b/include/asm-x86/mtrr.h
@@ -1,13 +1,164 @@
1/* Generic MTRR (Memory Type Range Register) ioctls.
2
3 Copyright (C) 1997-1999 Richard Gooch
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18
19 Richard Gooch may be reached by email at rgooch@atnf.csiro.au
20 The postal address is:
21 Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
22*/
23#ifndef _ASM_X86_MTRR_H
24#define _ASM_X86_MTRR_H
25
26#include <linux/ioctl.h>
27#include <linux/errno.h>
28
29#define MTRR_IOCTL_BASE 'M'
30
31struct mtrr_sentry
32{
33 unsigned long base; /* Base address */
34 unsigned int size; /* Size of region */
35 unsigned int type; /* Type of region */
36};
37
38/* Warning: this structure has a different order from i386
39 on x86-64. The 32bit emulation code takes care of that.
40 But you need to use this for 64bit, otherwise your X server
41 will break. */
42
43#ifdef __i386__
44struct mtrr_gentry
45{
46 unsigned int regnum; /* Register number */
47 unsigned long base; /* Base address */
48 unsigned int size; /* Size of region */
49 unsigned int type; /* Type of region */
50};
51
52#else /* __i386__ */
53
54struct mtrr_gentry
55{
56 unsigned long base; /* Base address */
57 unsigned int size; /* Size of region */
58 unsigned int regnum; /* Register number */
59 unsigned int type; /* Type of region */
60};
61#endif /* !__i386__ */
62
63/* These are the various ioctls */
64#define MTRRIOC_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry)
65#define MTRRIOC_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry)
66#define MTRRIOC_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry)
67#define MTRRIOC_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
68#define MTRRIOC_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry)
69#define MTRRIOC_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry)
70#define MTRRIOC_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry)
71#define MTRRIOC_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry)
72#define MTRRIOC_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
73#define MTRRIOC_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry)
74
75/* These are the region types */
76#define MTRR_TYPE_UNCACHABLE 0
77#define MTRR_TYPE_WRCOMB 1
78/*#define MTRR_TYPE_ 2*/
79/*#define MTRR_TYPE_ 3*/
80#define MTRR_TYPE_WRTHROUGH 4
81#define MTRR_TYPE_WRPROT 5
82#define MTRR_TYPE_WRBACK 6
83#define MTRR_NUM_TYPES 7
84
1#ifdef __KERNEL__ 85#ifdef __KERNEL__
2# ifdef CONFIG_X86_32 86
3# include "mtrr_32.h" 87/* The following functions are for use by other drivers */
4# else 88# ifdef CONFIG_MTRR
5# include "mtrr_64.h" 89extern void mtrr_save_fixed_ranges(void *);
6# endif 90extern void mtrr_save_state(void);
7#else 91extern int mtrr_add (unsigned long base, unsigned long size,
8# ifdef __i386__ 92 unsigned int type, char increment);
9# include "mtrr_32.h" 93extern int mtrr_add_page (unsigned long base, unsigned long size,
10# else 94 unsigned int type, char increment);
11# include "mtrr_64.h" 95extern int mtrr_del (int reg, unsigned long base, unsigned long size);
12# endif 96extern int mtrr_del_page (int reg, unsigned long base, unsigned long size);
13#endif 97extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
98extern void mtrr_ap_init(void);
99extern void mtrr_bp_init(void);
100# else
101#define mtrr_save_fixed_ranges(arg) do {} while (0)
102#define mtrr_save_state() do {} while (0)
103static __inline__ int mtrr_add (unsigned long base, unsigned long size,
104 unsigned int type, char increment)
105{
106 return -ENODEV;
107}
108static __inline__ int mtrr_add_page (unsigned long base, unsigned long size,
109 unsigned int type, char increment)
110{
111 return -ENODEV;
112}
113static __inline__ int mtrr_del (int reg, unsigned long base,
114 unsigned long size)
115{
116 return -ENODEV;
117}
118static __inline__ int mtrr_del_page (int reg, unsigned long base,
119 unsigned long size)
120{
121 return -ENODEV;
122}
123
124static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;}
125
126#define mtrr_ap_init() do {} while (0)
127#define mtrr_bp_init() do {} while (0)
128# endif
129
130#ifdef CONFIG_COMPAT
131#include <linux/compat.h>
132
133struct mtrr_sentry32
134{
135 compat_ulong_t base; /* Base address */
136 compat_uint_t size; /* Size of region */
137 compat_uint_t type; /* Type of region */
138};
139
140struct mtrr_gentry32
141{
142 compat_ulong_t regnum; /* Register number */
143 compat_uint_t base; /* Base address */
144 compat_uint_t size; /* Size of region */
145 compat_uint_t type; /* Type of region */
146};
147
148#define MTRR_IOCTL_BASE 'M'
149
150#define MTRRIOC32_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry32)
151#define MTRRIOC32_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry32)
152#define MTRRIOC32_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry32)
153#define MTRRIOC32_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32)
154#define MTRRIOC32_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry32)
155#define MTRRIOC32_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry32)
156#define MTRRIOC32_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry32)
157#define MTRRIOC32_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry32)
158#define MTRRIOC32_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32)
159#define MTRRIOC32_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry32)
160#endif /* CONFIG_COMPAT */
161
162#endif /* __KERNEL__ */
163
164#endif /* _ASM_X86_MTRR_H */
diff --git a/include/asm-x86/mtrr_32.h b/include/asm-x86/mtrr_32.h
deleted file mode 100644
index 7e9c7ccbdcfe..000000000000
--- a/include/asm-x86/mtrr_32.h
+++ /dev/null
@@ -1,115 +0,0 @@
1/* Generic MTRR (Memory Type Range Register) ioctls.
2
3 Copyright (C) 1997-1999 Richard Gooch
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18
19 Richard Gooch may be reached by email at rgooch@atnf.csiro.au
20 The postal address is:
21 Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
22*/
23#ifndef _LINUX_MTRR_H
24#define _LINUX_MTRR_H
25
26#include <linux/ioctl.h>
27#include <linux/errno.h>
28
29#define MTRR_IOCTL_BASE 'M'
30
31struct mtrr_sentry
32{
33 unsigned long base; /* Base address */
34 unsigned int size; /* Size of region */
35 unsigned int type; /* Type of region */
36};
37
38struct mtrr_gentry
39{
40 unsigned int regnum; /* Register number */
41 unsigned long base; /* Base address */
42 unsigned int size; /* Size of region */
43 unsigned int type; /* Type of region */
44};
45
46/* These are the various ioctls */
47#define MTRRIOC_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry)
48#define MTRRIOC_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry)
49#define MTRRIOC_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry)
50#define MTRRIOC_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
51#define MTRRIOC_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry)
52#define MTRRIOC_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry)
53#define MTRRIOC_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry)
54#define MTRRIOC_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry)
55#define MTRRIOC_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
56#define MTRRIOC_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry)
57
58/* These are the region types */
59#define MTRR_TYPE_UNCACHABLE 0
60#define MTRR_TYPE_WRCOMB 1
61/*#define MTRR_TYPE_ 2*/
62/*#define MTRR_TYPE_ 3*/
63#define MTRR_TYPE_WRTHROUGH 4
64#define MTRR_TYPE_WRPROT 5
65#define MTRR_TYPE_WRBACK 6
66#define MTRR_NUM_TYPES 7
67
68#ifdef __KERNEL__
69
70/* The following functions are for use by other drivers */
71# ifdef CONFIG_MTRR
72extern void mtrr_save_fixed_ranges(void *);
73extern void mtrr_save_state(void);
74extern int mtrr_add (unsigned long base, unsigned long size,
75 unsigned int type, char increment);
76extern int mtrr_add_page (unsigned long base, unsigned long size,
77 unsigned int type, char increment);
78extern int mtrr_del (int reg, unsigned long base, unsigned long size);
79extern int mtrr_del_page (int reg, unsigned long base, unsigned long size);
80extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
81extern void mtrr_ap_init(void);
82extern void mtrr_bp_init(void);
83# else
84#define mtrr_save_fixed_ranges(arg) do {} while (0)
85#define mtrr_save_state() do {} while (0)
86static __inline__ int mtrr_add (unsigned long base, unsigned long size,
87 unsigned int type, char increment)
88{
89 return -ENODEV;
90}
91static __inline__ int mtrr_add_page (unsigned long base, unsigned long size,
92 unsigned int type, char increment)
93{
94 return -ENODEV;
95}
96static __inline__ int mtrr_del (int reg, unsigned long base,
97 unsigned long size)
98{
99 return -ENODEV;
100}
101static __inline__ int mtrr_del_page (int reg, unsigned long base,
102 unsigned long size)
103{
104 return -ENODEV;
105}
106
107static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;}
108
109#define mtrr_ap_init() do {} while (0)
110#define mtrr_bp_init() do {} while (0)
111# endif
112
113#endif
114
115#endif /* _LINUX_MTRR_H */
diff --git a/include/asm-x86/mtrr_64.h b/include/asm-x86/mtrr_64.h
deleted file mode 100644
index b557c486bef8..000000000000
--- a/include/asm-x86/mtrr_64.h
+++ /dev/null
@@ -1,152 +0,0 @@
1/* Generic MTRR (Memory Type Range Register) ioctls.
2
3 Copyright (C) 1997-1999 Richard Gooch
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18
19 Richard Gooch may be reached by email at rgooch@atnf.csiro.au
20 The postal address is:
21 Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
22*/
23#ifndef _LINUX_MTRR_H
24#define _LINUX_MTRR_H
25
26#include <linux/ioctl.h>
27
28#define MTRR_IOCTL_BASE 'M'
29
30struct mtrr_sentry
31{
32 unsigned long base; /* Base address */
33 unsigned int size; /* Size of region */
34 unsigned int type; /* Type of region */
35};
36
37/* Warning: this structure has a different order from i386
38 on x86-64. The 32bit emulation code takes care of that.
39 But you need to use this for 64bit, otherwise your X server
40 will break. */
41struct mtrr_gentry
42{
43 unsigned long base; /* Base address */
44 unsigned int size; /* Size of region */
45 unsigned int regnum; /* Register number */
46 unsigned int type; /* Type of region */
47};
48
49/* These are the various ioctls */
50#define MTRRIOC_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry)
51#define MTRRIOC_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry)
52#define MTRRIOC_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry)
53#define MTRRIOC_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
54#define MTRRIOC_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry)
55#define MTRRIOC_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry)
56#define MTRRIOC_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry)
57#define MTRRIOC_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry)
58#define MTRRIOC_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
59#define MTRRIOC_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry)
60
61/* These are the region types */
62#define MTRR_TYPE_UNCACHABLE 0
63#define MTRR_TYPE_WRCOMB 1
64/*#define MTRR_TYPE_ 2*/
65/*#define MTRR_TYPE_ 3*/
66#define MTRR_TYPE_WRTHROUGH 4
67#define MTRR_TYPE_WRPROT 5
68#define MTRR_TYPE_WRBACK 6
69#define MTRR_NUM_TYPES 7
70
71#ifdef __KERNEL__
72
73/* The following functions are for use by other drivers */
74# ifdef CONFIG_MTRR
75extern int mtrr_add (unsigned long base, unsigned long size,
76 unsigned int type, char increment);
77extern int mtrr_add_page (unsigned long base, unsigned long size,
78 unsigned int type, char increment);
79extern int mtrr_del (int reg, unsigned long base, unsigned long size);
80extern int mtrr_del_page (int reg, unsigned long base, unsigned long size);
81# else
82static __inline__ int mtrr_add (unsigned long base, unsigned long size,
83 unsigned int type, char increment)
84{
85 return -ENODEV;
86}
87static __inline__ int mtrr_add_page (unsigned long base, unsigned long size,
88 unsigned int type, char increment)
89{
90 return -ENODEV;
91}
92static __inline__ int mtrr_del (int reg, unsigned long base,
93 unsigned long size)
94{
95 return -ENODEV;
96}
97static __inline__ int mtrr_del_page (int reg, unsigned long base,
98 unsigned long size)
99{
100 return -ENODEV;
101}
102
103#endif /* CONFIG_MTRR */
104
105#ifdef CONFIG_COMPAT
106#include <linux/compat.h>
107
108struct mtrr_sentry32
109{
110 compat_ulong_t base; /* Base address */
111 compat_uint_t size; /* Size of region */
112 compat_uint_t type; /* Type of region */
113};
114
115struct mtrr_gentry32
116{
117 compat_ulong_t regnum; /* Register number */
118 compat_uint_t base; /* Base address */
119 compat_uint_t size; /* Size of region */
120 compat_uint_t type; /* Type of region */
121};
122
123#define MTRR_IOCTL_BASE 'M'
124
125#define MTRRIOC32_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry32)
126#define MTRRIOC32_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry32)
127#define MTRRIOC32_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry32)
128#define MTRRIOC32_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32)
129#define MTRRIOC32_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry32)
130#define MTRRIOC32_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry32)
131#define MTRRIOC32_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry32)
132#define MTRRIOC32_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry32)
133#define MTRRIOC32_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32)
134#define MTRRIOC32_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry32)
135
136#endif /* CONFIG_COMPAT */
137
138#ifdef CONFIG_MTRR
139extern void mtrr_ap_init(void);
140extern void mtrr_bp_init(void);
141extern void mtrr_save_fixed_ranges(void *);
142extern void mtrr_save_state(void);
143#else
144#define mtrr_ap_init() do {} while (0)
145#define mtrr_bp_init() do {} while (0)
146#define mtrr_save_fixed_ranges(arg) do {} while (0)
147#define mtrr_save_state() do {} while (0)
148#endif
149
150#endif /* __KERNEL__ */
151
152#endif /* _LINUX_MTRR_H */
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