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/* Copyright (c) 2013-2018, Linaro Limited
* Copyright (c) 2021, ARM Limited
* Copyright (c) 2021, Nokia
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* Standard C language types and definitions for ODP.
*
*/
#ifndef ODP_API_SPEC_STD_TYPES_H_
#define ODP_API_SPEC_STD_TYPES_H_
#include <odp/visibility_begin.h>
/* uint64_t, uint32_t, etc */
#include <stdint.h>
#include <odp/api/align.h>
#ifdef __cplusplus
extern "C" {
#endif
/** @addtogroup odp_std ODP STD
* @{
*/
/**
* @typedef odp_bool_t
* Use odp boolean type to have it well-defined and known size,
* regardless which compiler is used as this facilities interoperability
* between e.g. different compilers.
*/
/**
* Percentage type
* Use odp_percent_t for specifying fields that are percentages. It is a fixed
* point integer whose units are expressed as one-hundredth of a percent.
* Hence 100% is represented as integer value 10000.
*/
typedef uint32_t odp_percent_t;
/** Unaligned uint16_t type */
typedef uint16_t odp_una_u16_t ODP_ALIGNED(1);
/** Unaligned uint32_t type */
typedef uint32_t odp_una_u32_t ODP_ALIGNED(1);
/** Unaligned uint64_t type */
typedef uint64_t odp_una_u64_t ODP_ALIGNED(1);
/**
* @typedef odp_u128_t
* 128-bit unsigned integer structure
*/
/**
* 128-bit unsigned integer structure
*/
typedef struct ODP_ALIGNED(16) odp_u128_s {
/** 128 bits in various sizes */
union {
/** 128 bits as uint64_t words */
uint64_t u64[2];
/** 128 bits as uint32_t words */
uint32_t u32[4];
/** 128 bits as uint16_t words */
uint16_t u16[8];
/** 128 bits as bytes */
uint8_t u8[16];
};
} odp_u128_t;
/**
* Unsigned 64 bit fractional number
*
* The number is composed of integer and fraction parts. The fraction part is composed of
* two terms: numerator and denominator. Value of the number is sum of the integer and fraction
* parts: value = integer + numer/denom. When the fraction part is zero, the numerator is zero and
* the denominator may be zero.
*/
typedef struct odp_fract_u64_t {
/** Integer part */
uint64_t integer;
/** Numerator of the fraction part */
uint64_t numer;
/** Denominator of the fraction part. This may be zero when the numerator
* is zero. */
uint64_t denom;
} odp_fract_u64_t;
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#include <odp/visibility_end.h>
#endif
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