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-rw-r--r--include/asm-x86_64/mtrr.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-x86_64/mtrr.h b/include/asm-x86_64/mtrr.h
index c5959d6418b..66ac1c0f27e 100644
--- a/include/asm-x86_64/mtrr.h
+++ b/include/asm-x86_64/mtrr.h
@@ -25,6 +25,7 @@
#include <linux/config.h>
#include <linux/ioctl.h>
+#include <linux/compat.h>
#define MTRR_IOCTL_BASE 'M'
@@ -105,4 +106,36 @@ static __inline__ int mtrr_del_page (int reg, unsigned long base,
#endif
+#ifdef CONFIG_COMPAT
+
+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 /* _LINUX_MTRR_H */