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 u32 hrtimer_res; /* hrtimer resolution */ 24 25 u64 cs_cycle_last; /* last cycle value */ 26 u64 cs_mask; /* clocksource mask */ 27 28 u64 xtime_clock_nsec; /* CLOCK_REALTIME sub-ns base */ 29 u32 tz_minuteswest; /* timezone info for gettimeofday(2) */ 30 u32 tz_dsttime; 31 }; 32 33 #endif /* !__ASSEMBLY__ */ 34 35 #endif /* __KERNEL__ */ 36 37 #endif /* __ASM_VDSO_DATAPAGE_H */ 38