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Diffstat (limited to 'arch/x86/include/asm/vgtod.h')
-rw-r--r--arch/x86/include/asm/vgtod.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
new file mode 100644
index 00000000..8b38be2d
--- /dev/null
+++ b/arch/x86/include/asm/vgtod.h
@@ -0,0 +1,30 @@
+#ifndef _ASM_X86_VGTOD_H
+#define _ASM_X86_VGTOD_H
+
+#include <asm/vsyscall.h>
+#include <linux/clocksource.h>
+
+struct vsyscall_gtod_data {
+ seqcount_t seq;
+
+ struct { /* extract of a clocksource struct */
+ int vclock_mode;
+ cycle_t cycle_last;
+ cycle_t mask;
+ u32 mult;
+ u32 shift;
+ } clock;
+
+ /* open coded 'struct timespec' */
+ time_t wall_time_sec;
+ u32 wall_time_nsec;
+ u32 monotonic_time_nsec;
+ time_t monotonic_time_sec;
+
+ struct timezone sys_tz;
+ struct timespec wall_time_coarse;
+ struct timespec monotonic_time_coarse;
+};
+extern struct vsyscall_gtod_data vsyscall_gtod_data;
+
+#endif /* _ASM_X86_VGTOD_H */