Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / asm-generic / cputime_jiffies.h

diff --git a/kernel/include/asm-generic/cputime_jiffies.h b/kernel/include/asm-generic/cputime_jiffies.h
new file mode 100644 (file)
index 0000000..fe386fc
--- /dev/null
+++ b/kernel/include/asm-generic/cputime_jiffies.h
@@ -0,0 +1,76 @@
+#ifndef _ASM_GENERIC_CPUTIME_JIFFIES_H
+#define _ASM_GENERIC_CPUTIME_JIFFIES_H
+
+typedef unsigned long __nocast cputime_t;
+
+#define cmpxchg_cputime(ptr, old, new) cmpxchg(ptr, old, new)
+
+#define cputime_one_jiffy              jiffies_to_cputime(1)
+#define cputime_to_jiffies(__ct)       (__force unsigned long)(__ct)
+#define cputime_to_scaled(__ct)                (__ct)
+#define jiffies_to_cputime(__hz)       (__force cputime_t)(__hz)
+
+typedef u64 __nocast cputime64_t;
+
+#define cputime64_to_jiffies64(__ct)   (__force u64)(__ct)
+#define jiffies64_to_cputime64(__jif)  (__force cputime64_t)(__jif)
+
+
+/*
+ * Convert nanoseconds <-> cputime
+ */
+#define cputime_to_nsecs(__ct)         \
+       jiffies_to_nsecs(cputime_to_jiffies(__ct))
+#define nsecs_to_cputime64(__nsec)     \
+       jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
+#define nsecs_to_cputime(__nsec)       \
+       jiffies_to_cputime(nsecs_to_jiffies(__nsec))
+
+
+/*
+ * Convert cputime to microseconds and back.
+ */
+#define cputime_to_usecs(__ct)         \
+       jiffies_to_usecs(cputime_to_jiffies(__ct))
+#define usecs_to_cputime(__usec)       \
+       jiffies_to_cputime(usecs_to_jiffies(__usec))
+#define usecs_to_cputime64(__usec)     \
+       jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
+
+/*
+ * Convert cputime to seconds and back.
+ */
+#define cputime_to_secs(jif)           (cputime_to_jiffies(jif) / HZ)
+#define secs_to_cputime(sec)           jiffies_to_cputime((sec) * HZ)
+
+/*
+ * Convert cputime to timespec and back.
+ */
+#define timespec_to_cputime(__val)     \
+       jiffies_to_cputime(timespec_to_jiffies(__val))
+#define cputime_to_timespec(__ct,__val)        \
+       jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
+
+/*
+ * Convert cputime to timeval and back.
+ */
+#define timeval_to_cputime(__val)      \
+       jiffies_to_cputime(timeval_to_jiffies(__val))
+#define cputime_to_timeval(__ct,__val) \
+       jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
+
+/*
+ * Convert cputime to clock and back.
+ */
+#define cputime_to_clock_t(__ct)       \
+       jiffies_to_clock_t(cputime_to_jiffies(__ct))
+#define clock_t_to_cputime(__x)                \
+       jiffies_to_cputime(clock_t_to_jiffies(__x))
+
+/*
+ * Convert cputime64 to clock.
+ */
+#define cputime64_to_clock_t(__ct)     \
+       jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
+
+#endif