| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 1 | #ifndef _ASM_X86_VGTOD_H |
| 2 | #define _ASM_X86_VGTOD_H |
| Andi Kleen | 2aae950 | 2007-07-21 17:10:01 +0200 | [diff] [blame] | 3 | |
| 4 | #include <asm/vsyscall.h> |
| 5 | #include <linux/clocksource.h> |
| 6 | |
| 7 | struct vsyscall_gtod_data { |
| 8 | seqlock_t lock; |
| 9 | |
| 10 | /* open coded 'struct timespec' */ |
| 11 | time_t wall_time_sec; |
| 12 | u32 wall_time_nsec; |
| 13 | |
| 14 | int sysctl_enabled; |
| 15 | struct timezone sys_tz; |
| 16 | struct { /* extract of a clocksource struct */ |
| 17 | cycle_t (*vread)(void); |
| 18 | cycle_t cycle_last; |
| 19 | cycle_t mask; |
| 20 | u32 mult; |
| 21 | u32 shift; |
| 22 | } clock; |
| 23 | struct timespec wall_to_monotonic; |
| 24 | }; |
| 25 | extern struct vsyscall_gtod_data __vsyscall_gtod_data |
| 26 | __section_vsyscall_gtod_data; |
| 27 | extern struct vsyscall_gtod_data vsyscall_gtod_data; |
| 28 | |
| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 29 | #endif /* _ASM_X86_VGTOD_H */ |