arch/nds32/include/asm/vdso_datapage.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (C) 2012 ARM Limited
   3 // Copyright (C) 2005-2017 Andes Technology Corporation
   4 #ifndef __ASM_VDSO_DATAPAGE_H
   5 #define __ASM_VDSO_DATAPAGE_H
   6
   7 #ifdef __KERNEL__
   8
   9 #ifndef __ASSEMBLY__
  10
  11 struct vdso_data {
  12         bool cycle_count_down;  /* timer cyclye counter is decrease with time */
  13         u32 cycle_count_offset; /* offset of timer cycle counter register */
  14         u32 seq_count;          /* sequence count - odd during updates */
  15         u32 xtime_coarse_sec;   /* coarse time */
  16         u32 xtime_coarse_nsec;
  17
  18         u32 wtm_clock_sec;      /* wall to monotonic offset */
  19         u32 wtm_clock_nsec;
  20         u32 xtime_clock_sec;    /* CLOCK_REALTIME - seconds */
  21         u32 cs_mult;            /* clocksource multiplier */
  22         u32 cs_shift;           /* Cycle to nanosecond divisor (power of two) */
  23
  24         u64 cs_cycle_last;      /* last cycle value */
  25         u64 cs_mask;            /* clocksource mask */
  26
  27         u64 xtime_clock_nsec;   /* CLOCK_REALTIME sub-ns base */
  28         u32 tz_minuteswest;     /* timezone info for gettimeofday(2) */
  29         u32 tz_dsttime;
  30 };
  31
  32 #endif /* !__ASSEMBLY__ */
  33
  34 #endif /* __KERNEL__ */
  35
  36 #endif /* __ASM_VDSO_DATAPAGE_H */