LXR linux/arch/x86/include/asm/vgtod.h

   1#ifndef _ASM_X86_VGTOD_H
   2#define _ASM_X86_VGTOD_H
   3
   4#include <asm/vsyscall.h>
   5#include <linux/clocksource.h>
   6
   7struct 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};
  25extern struct vsyscall_gtod_data __vsyscall_gtod_data
  26__section_vsyscall_gtod_data;
  27extern struct vsyscall_gtod_data vsyscall_gtod_data;
  28
  29#endif /* _ASM_X86_VGTOD_H */
  30