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

31 lines
674 B
C

#ifndef _ASM_X86_VGTOD_H
#define _ASM_X86_VGTOD_H
#include <asm/vsyscall.h>
#include <linux/clocksource.h>
struct vsyscall_gtod_data {
seqlock_t lock;
/* open coded 'struct timespec' */
time_t wall_time_sec;
u32 wall_time_nsec;
int sysctl_enabled;
struct timezone sys_tz;
struct { /* extract of a clocksource struct */
cycle_t (*vread)(void);
cycle_t cycle_last;
cycle_t mask;
u32 mult;
u32 shift;
} clock;
struct timespec wall_to_monotonic;
struct timespec wall_time_coarse;
};
extern struct vsyscall_gtod_data __vsyscall_gtod_data
__section_vsyscall_gtod_data;
extern struct vsyscall_gtod_data vsyscall_gtod_data;
#endif /* _ASM_X86_VGTOD_H */