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Diffstat (limited to 'include/asm-x86/mtrr.h')
-rw-r--r--include/asm-x86/mtrr.h73
1 files changed, 39 insertions, 34 deletions
diff --git a/include/asm-x86/mtrr.h b/include/asm-x86/mtrr.h
index 319d065800be..a69a01a51729 100644
--- a/include/asm-x86/mtrr.h
+++ b/include/asm-x86/mtrr.h
@@ -28,8 +28,7 @@
28 28
29#define MTRR_IOCTL_BASE 'M' 29#define MTRR_IOCTL_BASE 'M'
30 30
31struct mtrr_sentry 31struct mtrr_sentry {
32{
33 unsigned long base; /* Base address */ 32 unsigned long base; /* Base address */
34 unsigned int size; /* Size of region */ 33 unsigned int size; /* Size of region */
35 unsigned int type; /* Type of region */ 34 unsigned int type; /* Type of region */
@@ -41,8 +40,7 @@ struct mtrr_sentry
41 will break. */ 40 will break. */
42 41
43#ifdef __i386__ 42#ifdef __i386__
44struct mtrr_gentry 43struct mtrr_gentry {
45{
46 unsigned int regnum; /* Register number */ 44 unsigned int regnum; /* Register number */
47 unsigned long base; /* Base address */ 45 unsigned long base; /* Base address */
48 unsigned int size; /* Size of region */ 46 unsigned int size; /* Size of region */
@@ -51,8 +49,7 @@ struct mtrr_gentry
51 49
52#else /* __i386__ */ 50#else /* __i386__ */
53 51
54struct mtrr_gentry 52struct mtrr_gentry {
55{
56 unsigned long base; /* Base address */ 53 unsigned long base; /* Base address */
57 unsigned int size; /* Size of region */ 54 unsigned int size; /* Size of region */
58 unsigned int regnum; /* Register number */ 55 unsigned int regnum; /* Register number */
@@ -86,38 +83,45 @@ struct mtrr_gentry
86 83
87/* The following functions are for use by other drivers */ 84/* The following functions are for use by other drivers */
88# ifdef CONFIG_MTRR 85# ifdef CONFIG_MTRR
86extern u8 mtrr_type_lookup(u64 addr, u64 end);
89extern void mtrr_save_fixed_ranges(void *); 87extern void mtrr_save_fixed_ranges(void *);
90extern void mtrr_save_state(void); 88extern void mtrr_save_state(void);
91extern int mtrr_add (unsigned long base, unsigned long size, 89extern int mtrr_add(unsigned long base, unsigned long size,
92 unsigned int type, bool increment); 90 unsigned int type, bool increment);
93extern int mtrr_add_page (unsigned long base, unsigned long size, 91extern int mtrr_add_page(unsigned long base, unsigned long size,
94 unsigned int type, bool increment); 92 unsigned int type, bool increment);
95extern int mtrr_del (int reg, unsigned long base, unsigned long size); 93extern int mtrr_del(int reg, unsigned long base, unsigned long size);
96extern int mtrr_del_page (int reg, unsigned long base, unsigned long size); 94extern int mtrr_del_page(int reg, unsigned long base, unsigned long size);
97extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi); 95extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
98extern void mtrr_ap_init(void); 96extern void mtrr_ap_init(void);
99extern void mtrr_bp_init(void); 97extern void mtrr_bp_init(void);
100extern int mtrr_trim_uncached_memory(unsigned long end_pfn); 98extern int mtrr_trim_uncached_memory(unsigned long end_pfn);
99extern int amd_special_default_mtrr(void);
101# else 100# else
101static inline u8 mtrr_type_lookup(u64 addr, u64 end)
102{
103 /*
104 * Return no-MTRRs:
105 */
106 return 0xff;
107}
102#define mtrr_save_fixed_ranges(arg) do {} while (0) 108#define mtrr_save_fixed_ranges(arg) do {} while (0)
103#define mtrr_save_state() do {} while (0) 109#define mtrr_save_state() do {} while (0)
104static __inline__ int mtrr_add (unsigned long base, unsigned long size, 110static inline int mtrr_add(unsigned long base, unsigned long size,
105 unsigned int type, bool increment) 111 unsigned int type, bool increment)
106{ 112{
107 return -ENODEV; 113 return -ENODEV;
108} 114}
109static __inline__ int mtrr_add_page (unsigned long base, unsigned long size, 115static inline int mtrr_add_page(unsigned long base, unsigned long size,
110 unsigned int type, bool increment) 116 unsigned int type, bool increment)
111{ 117{
112 return -ENODEV; 118 return -ENODEV;
113} 119}
114static __inline__ int mtrr_del (int reg, unsigned long base, 120static inline int mtrr_del(int reg, unsigned long base, unsigned long size)
115 unsigned long size)
116{ 121{
117 return -ENODEV; 122 return -ENODEV;
118} 123}
119static __inline__ int mtrr_del_page (int reg, unsigned long base, 124static inline int mtrr_del_page(int reg, unsigned long base, unsigned long size)
120 unsigned long size)
121{ 125{
122 return -ENODEV; 126 return -ENODEV;
123} 127}
@@ -125,7 +129,9 @@ static inline int mtrr_trim_uncached_memory(unsigned long end_pfn)
125{ 129{
126 return 0; 130 return 0;
127} 131}
128static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;} 132static inline void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi)
133{
134}
129 135
130#define mtrr_ap_init() do {} while (0) 136#define mtrr_ap_init() do {} while (0)
131#define mtrr_bp_init() do {} while (0) 137#define mtrr_bp_init() do {} while (0)
@@ -134,15 +140,13 @@ static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;}
134#ifdef CONFIG_COMPAT 140#ifdef CONFIG_COMPAT
135#include <linux/compat.h> 141#include <linux/compat.h>
136 142
137struct mtrr_sentry32 143struct mtrr_sentry32 {
138{
139 compat_ulong_t base; /* Base address */ 144 compat_ulong_t base; /* Base address */
140 compat_uint_t size; /* Size of region */ 145 compat_uint_t size; /* Size of region */
141 compat_uint_t type; /* Type of region */ 146 compat_uint_t type; /* Type of region */
142}; 147};
143 148
144struct mtrr_gentry32 149struct mtrr_gentry32 {
145{
146 compat_ulong_t regnum; /* Register number */ 150 compat_ulong_t regnum; /* Register number */
147 compat_uint_t base; /* Base address */ 151 compat_uint_t base; /* Base address */
148 compat_uint_t size; /* Size of region */ 152 compat_uint_t size; /* Size of region */
@@ -151,16 +155,17 @@ struct mtrr_gentry32
151 155
152#define MTRR_IOCTL_BASE 'M' 156#define MTRR_IOCTL_BASE 'M'
153 157
154#define MTRRIOC32_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry32) 158#define MTRRIOC32_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry32)
155#define MTRRIOC32_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry32) 159#define MTRRIOC32_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry32)
156#define MTRRIOC32_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry32) 160#define MTRRIOC32_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry32)
157#define MTRRIOC32_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32) 161#define MTRRIOC32_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32)
158#define MTRRIOC32_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry32) 162#define MTRRIOC32_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry32)
159#define MTRRIOC32_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry32) 163#define MTRRIOC32_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry32)
160#define MTRRIOC32_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry32) 164#define MTRRIOC32_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry32)
161#define MTRRIOC32_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry32) 165#define MTRRIOC32_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry32)
162#define MTRRIOC32_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32) 166#define MTRRIOC32_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32)
163#define MTRRIOC32_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry32) 167#define MTRRIOC32_KILL_PAGE_ENTRY \
168 _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry32)
164#endif /* CONFIG_COMPAT */ 169#endif /* CONFIG_COMPAT */
165 170
166#endif /* __KERNEL__ */ 171#endif /* __KERNEL__ */
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-07 22:35:52 -0500