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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 319d065800b..a69a01a5172 100644
--- a/include/asm-x86/mtrr.h
+++ b/include/asm-x86/mtrr.h
@@ -28,8 +28,7 @@
#define MTRR_IOCTL_BASE 'M'
-struct mtrr_sentry
-{
+struct mtrr_sentry {
unsigned long base; /* Base address */
unsigned int size; /* Size of region */
unsigned int type; /* Type of region */
@@ -41,8 +40,7 @@ struct mtrr_sentry
will break. */
#ifdef __i386__
-struct mtrr_gentry
-{
+struct mtrr_gentry {
unsigned int regnum; /* Register number */
unsigned long base; /* Base address */
unsigned int size; /* Size of region */
@@ -51,8 +49,7 @@ struct mtrr_gentry
#else /* __i386__ */
-struct mtrr_gentry
-{
+struct mtrr_gentry {
unsigned long base; /* Base address */
unsigned int size; /* Size of region */
unsigned int regnum; /* Register number */
@@ -86,38 +83,45 @@ struct mtrr_gentry
/* 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 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)
+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,
+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)
+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)
+static inline int mtrr_del_page(int reg, unsigned long base, unsigned long size)
{
return -ENODEV;
}
@@ -125,7 +129,9 @@ 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) {;}
+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)
@@ -134,15 +140,13 @@ static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;}
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
-struct mtrr_sentry32
-{
+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
-{
+struct mtrr_gentry32 {
compat_ulong_t regnum; /* Register number */
compat_uint_t base; /* Base address */
compat_uint_t size; /* Size of region */
@@ -151,16 +155,17 @@ struct mtrr_gentry32
#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)
+#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__ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 10:29:27 +0000