| Greentime Hu | eefacd1 | 2017-10-25 11:16:56 +0800 | [diff] [blame] | 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 */ |