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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/s390/include/asm/vdso.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/s390/include/asm/vdso.h')
-rw-r--r--arch/s390/include/asm/vdso.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
new file mode 100644
index 00000000..c4a11cfa
--- /dev/null
+++ b/arch/s390/include/asm/vdso.h
@@ -0,0 +1,51 @@
+#ifndef __S390_VDSO_H__
+#define __S390_VDSO_H__
+
+#ifdef __KERNEL__
+
+/* Default link addresses for the vDSOs */
+#define VDSO32_LBASE 0
+#define VDSO64_LBASE 0
+
+#define VDSO_VERSION_STRING LINUX_2.6.29
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Note about the vdso_data and vdso_per_cpu_data structures:
+ *
+ * NEVER USE THEM IN USERSPACE CODE DIRECTLY. The layout of the
+ * structure is supposed to be known only to the function in the vdso
+ * itself and may change without notice.
+ */
+
+struct vdso_data {
+ __u64 tb_update_count; /* Timebase atomicity ctr 0x00 */
+ __u64 xtime_tod_stamp; /* TOD clock for xtime 0x08 */
+ __u64 xtime_clock_sec; /* Kernel time 0x10 */
+ __u64 xtime_clock_nsec; /* 0x18 */
+ __u64 wtom_clock_sec; /* Wall to monotonic clock 0x20 */
+ __u64 wtom_clock_nsec; /* 0x28 */
+ __u32 tz_minuteswest; /* Minutes west of Greenwich 0x30 */
+ __u32 tz_dsttime; /* Type of dst correction 0x34 */
+ __u32 ectg_available;
+ __u32 ntp_mult; /* NTP adjusted multiplier 0x3C */
+};
+
+struct vdso_per_cpu_data {
+ __u64 ectg_timer_base;
+ __u64 ectg_user_time;
+};
+
+extern struct vdso_data *vdso_data;
+
+#ifdef CONFIG_64BIT
+int vdso_alloc_per_cpu(struct _lowcore *lowcore);
+void vdso_free_per_cpu(struct _lowcore *lowcore);
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* __S390_VDSO_H__ */