summaryrefslogtreecommitdiff
path: root/arch/nds32/include/asm/vdso_datapage.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/nds32/include/asm/vdso_datapage.h')
-rw-r--r--arch/nds32/include/asm/vdso_datapage.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/vdso_datapage.h b/arch/nds32/include/asm/vdso_datapage.h
new file mode 100644
index 000000000000..79db5a12ca5e
--- /dev/null
+++ b/arch/nds32/include/asm/vdso_datapage.h
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2012 ARM Limited
+// Copyright (C) 2005-2017 Andes Technology Corporation
+#ifndef __ASM_VDSO_DATAPAGE_H
+#define __ASM_VDSO_DATAPAGE_H
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+struct vdso_data {
+ bool cycle_count_down; /* timer cyclye counter is decrease with time */
+ u32 cycle_count_offset; /* offset of timer cycle counter register */
+ u32 seq_count; /* sequence count - odd during updates */
+ u32 xtime_coarse_sec; /* coarse time */
+ u32 xtime_coarse_nsec;
+
+ u32 wtm_clock_sec; /* wall to monotonic offset */
+ u32 wtm_clock_nsec;
+ u32 xtime_clock_sec; /* CLOCK_REALTIME - seconds */
+ u32 cs_mult; /* clocksource multiplier */
+ u32 cs_shift; /* Cycle to nanosecond divisor (power of two) */
+
+ u64 cs_cycle_last; /* last cycle value */
+ u64 cs_mask; /* clocksource mask */
+
+ u64 xtime_clock_nsec; /* CLOCK_REALTIME sub-ns base */
+ u32 tz_minuteswest; /* timezone info for gettimeofday(2) */
+ u32 tz_dsttime;
+};
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_VDSO_DATAPAGE_H */