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1 #ifndef _ASM_X86_VGTOD_H |
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2 #define _ASM_X86_VGTOD_H |
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3 |
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4 #include <asm/vsyscall.h> |
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5 #include <linux/clocksource.h> |
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6 |
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7 struct vsyscall_gtod_data { |
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8 seqlock_t lock; |
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9 |
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10 /* open coded 'struct timespec' */ |
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11 time_t wall_time_sec; |
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12 u32 wall_time_nsec; |
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13 |
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14 int sysctl_enabled; |
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15 struct timezone sys_tz; |
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16 struct { /* extract of a clocksource struct */ |
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17 cycle_t (*vread)(void); |
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18 cycle_t cycle_last; |
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19 cycle_t mask; |
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20 u32 mult; |
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21 u32 shift; |
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22 } clock; |
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23 struct timespec wall_to_monotonic; |
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24 }; |
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25 extern struct vsyscall_gtod_data __vsyscall_gtod_data |
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26 __section_vsyscall_gtod_data; |
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27 extern struct vsyscall_gtod_data vsyscall_gtod_data; |
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28 |
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29 #endif /* _ASM_X86_VGTOD_H */ |