arch/arm64/include/asm/vdso_datapage.h

   1 /*
   2  * Copyright (C) 2012 ARM Limited
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16 #ifndef __ASM_VDSO_DATAPAGE_H
  17 #define __ASM_VDSO_DATAPAGE_H
  18
  19 #ifdef __KERNEL__
  20
  21 #ifndef __ASSEMBLY__
  22
  23 struct vdso_data {
  24         __u64 cs_cycle_last;    /* Timebase at clocksource init */
  25         __u64 raw_time_sec;     /* Raw time */
  26         __u64 raw_time_nsec;
  27         __u64 xtime_clock_sec;  /* Kernel time */
  28         __u64 xtime_clock_nsec;
  29         __u64 xtime_coarse_sec; /* Coarse time */
  30         __u64 xtime_coarse_nsec;
  31         __u64 wtm_clock_sec;    /* Wall to monotonic time */
  32         __u64 wtm_clock_nsec;
  33         __u32 tb_seq_count;     /* Timebase sequence counter */
  34         /* cs_* members must be adjacent and in this order (ldp accesses) */
  35         __u32 cs_mono_mult;     /* NTP-adjusted clocksource multiplier */
  36         __u32 cs_shift;         /* Clocksource shift (mono = raw) */
  37         __u32 cs_raw_mult;      /* Raw clocksource multiplier */
  38         __u32 tz_minuteswest;   /* Whacky timezone stuff */
  39         __u32 tz_dsttime;
  40         __u32 use_syscall;
  41 };
  42
  43 #endif /* !__ASSEMBLY__ */
  44
  45 #endif /* __KERNEL__ */
  46
  47 #endif /* __ASM_VDSO_DATAPAGE_H */