diff options
Diffstat (limited to 'include/linux/units.h')
-rw-r--r-- | include/linux/units.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/include/linux/units.h b/include/linux/units.h index aaf716364ec3..00e15de33eca 100644 --- a/include/linux/units.h +++ b/include/linux/units.h @@ -2,7 +2,42 @@ #ifndef _LINUX_UNITS_H #define _LINUX_UNITS_H -#include <linux/kernel.h> +#include <linux/bits.h> +#include <linux/math.h> + +/* Metric prefixes in accordance with Système international (d'unités) */ +#define PETA 1000000000000000ULL +#define TERA 1000000000000ULL +#define GIGA 1000000000UL +#define MEGA 1000000UL +#define KILO 1000UL +#define HECTO 100UL +#define DECA 10UL +#define DECI 10UL +#define CENTI 100UL +#define MILLI 1000UL +#define MICRO 1000000UL +#define NANO 1000000000UL +#define PICO 1000000000000ULL +#define FEMTO 1000000000000000ULL + +#define NANOHZ_PER_HZ 1000000000UL +#define MICROHZ_PER_HZ 1000000UL +#define MILLIHZ_PER_HZ 1000UL + +#define HZ_PER_KHZ 1000UL +#define HZ_PER_MHZ 1000000UL + +#define KHZ_PER_MHZ 1000UL +#define KHZ_PER_GHZ 1000000UL + +#define MILLIWATT_PER_WATT 1000UL +#define MICROWATT_PER_MILLIWATT 1000UL +#define MICROWATT_PER_WATT 1000000UL + +#define BYTES_PER_KBIT (KILO / BITS_PER_BYTE) +#define BYTES_PER_MBIT (MEGA / BITS_PER_BYTE) +#define BYTES_PER_GBIT (GIGA / BITS_PER_BYTE) #define ABSOLUTE_ZERO_MILLICELSIUS -273150 |