rte_bitops.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2020 Arm Limited
 * Copyright(c) 2010-2019 Intel Corporation
 * Copyright(c) 2023 Microsoft Corporation
 * Copyright(c) 2024 Ericsson AB
 */
 
#ifndef _RTE_BITOPS_H_
#define _RTE_BITOPS_H_
 
#include <stdint.h>
 
#include <rte_compat.h>
#include <rte_debug.h>
#include <rte_stdatomic.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define RTE_BIT64(nr) (UINT64_C(1) << (nr))
 
#define RTE_BIT32(nr) (UINT32_C(1) << (nr))
 
#define RTE_SHIFT_VAL32(val, nr) ((uint32_t)(val) << (nr))
 
#define RTE_SHIFT_VAL64(val, nr) ((uint64_t)(val) << (nr))
 
#define RTE_GENMASK32(high, low) \
        (((~UINT32_C(0)) << (low)) & (~UINT32_C(0) >> (31u - (high))))
 
#define RTE_GENMASK64(high, low) \
        (((~UINT64_C(0)) << (low)) & (~UINT64_C(0) >> (63u - (high))))
 
#define RTE_FIELD_GET32(mask, reg) \
        ((typeof(mask))(((reg) & (mask)) >> rte_ctz32(mask)))
 
#define RTE_FIELD_GET64(mask, reg) \
        ((typeof(mask))(((reg) & (mask)) >> rte_ctz64(mask)))
 
#define rte_bit_test(addr, nr) \
    _Generic((addr), \
        uint32_t *: __rte_bit_test32, \
        const uint32_t *: __rte_bit_test32, \
        volatile uint32_t *: __rte_bit_v_test32, \
        const volatile uint32_t *: __rte_bit_v_test32, \
        uint64_t *: __rte_bit_test64, \
        const uint64_t *: __rte_bit_test64, \
        volatile uint64_t *: __rte_bit_v_test64, \
        const volatile uint64_t *: __rte_bit_v_test64) \
            (addr, nr)
 
#define rte_bit_set(addr, nr) \
    _Generic((addr), \
        uint32_t *: __rte_bit_set32, \
        volatile uint32_t *: __rte_bit_v_set32, \
        uint64_t *: __rte_bit_set64, \
        volatile uint64_t *: __rte_bit_v_set64) \
            (addr, nr)
 
#define rte_bit_clear(addr, nr) \
    _Generic((addr), \
        uint32_t *: __rte_bit_clear32, \
        volatile uint32_t *: __rte_bit_v_clear32, \
        uint64_t *: __rte_bit_clear64, \
        volatile uint64_t *: __rte_bit_v_clear64) \
            (addr, nr)
 
#define rte_bit_assign(addr, nr, value) \
    _Generic((addr), \
        uint32_t *: __rte_bit_assign32, \
        volatile uint32_t *: __rte_bit_v_assign32, \
        uint64_t *: __rte_bit_assign64, \
        volatile uint64_t *: __rte_bit_v_assign64) \
            (addr, nr, value)
 
#define rte_bit_flip(addr, nr) \
    _Generic((addr), \
        uint32_t *: __rte_bit_flip32, \
        volatile uint32_t *: __rte_bit_v_flip32, \
        uint64_t *: __rte_bit_flip64, \
        volatile uint64_t *: __rte_bit_v_flip64) \
            (addr, nr)
 
#define rte_bit_atomic_test(addr, nr, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_test32, \
        const uint32_t *: __rte_bit_atomic_test32, \
        volatile uint32_t *: __rte_bit_atomic_v_test32, \
        const volatile uint32_t *: __rte_bit_atomic_v_test32, \
        uint64_t *: __rte_bit_atomic_test64, \
        const uint64_t *: __rte_bit_atomic_test64, \
        volatile uint64_t *: __rte_bit_atomic_v_test64, \
        const volatile uint64_t *: __rte_bit_atomic_v_test64) \
            (addr, nr, memory_order)
 
#define rte_bit_atomic_set(addr, nr, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_set32, \
        volatile uint32_t *: __rte_bit_atomic_v_set32, \
        uint64_t *: __rte_bit_atomic_set64, \
        volatile uint64_t *: __rte_bit_atomic_v_set64) \
            (addr, nr, memory_order)
 
#define rte_bit_atomic_clear(addr, nr, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_clear32, \
        volatile uint32_t *: __rte_bit_atomic_v_clear32, \
        uint64_t *: __rte_bit_atomic_clear64, \
        volatile uint64_t *: __rte_bit_atomic_v_clear64) \
            (addr, nr, memory_order)
 
#define rte_bit_atomic_assign(addr, nr, value, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_assign32, \
        volatile uint32_t *: __rte_bit_atomic_v_assign32, \
        uint64_t *: __rte_bit_atomic_assign64, \
        volatile uint64_t *: __rte_bit_atomic_v_assign64) \
            (addr, nr, value, memory_order)
 
#define rte_bit_atomic_flip(addr, nr, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_flip32, \
        volatile uint32_t *: __rte_bit_atomic_v_flip32, \
        uint64_t *: __rte_bit_atomic_flip64, \
        volatile uint64_t *: __rte_bit_atomic_v_flip64) \
            (addr, nr, memory_order)
 
#define rte_bit_atomic_test_and_set(addr, nr, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_test_and_set32, \
        volatile uint32_t *: __rte_bit_atomic_v_test_and_set32, \
        uint64_t *: __rte_bit_atomic_test_and_set64, \
        volatile uint64_t *: __rte_bit_atomic_v_test_and_set64) \
            (addr, nr, memory_order)
 
#define rte_bit_atomic_test_and_clear(addr, nr, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_test_and_clear32, \
        volatile uint32_t *: __rte_bit_atomic_v_test_and_clear32, \
        uint64_t *: __rte_bit_atomic_test_and_clear64, \
        volatile uint64_t *: __rte_bit_atomic_v_test_and_clear64) \
            (addr, nr, memory_order)
 
#define rte_bit_atomic_test_and_assign(addr, nr, value, memory_order) \
    _Generic((addr), \
        uint32_t *: __rte_bit_atomic_test_and_assign32, \
        volatile uint32_t *: __rte_bit_atomic_v_test_and_assign32, \
        uint64_t *: __rte_bit_atomic_test_and_assign64, \
        volatile uint64_t *: __rte_bit_atomic_v_test_and_assign64) \
            (addr, nr, value, memory_order)
 
#define __RTE_GEN_BIT_TEST(variant, qualifier, size) \
static inline bool \
__rte_bit_ ## variant ## test ## size(const qualifier uint ## size ## _t *addr, unsigned int nr) \
{ \
    RTE_ASSERT(nr < size); \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    return *addr & mask; \
}
 
#define __RTE_GEN_BIT_SET(variant, qualifier, size) \
static inline void \
__rte_bit_ ## variant ## set ## size(qualifier uint ## size ## _t *addr, unsigned int nr) \
{ \
    RTE_ASSERT(nr < size); \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    *addr |= mask; \
}
 
#define __RTE_GEN_BIT_CLEAR(variant, qualifier, size) \
static inline void \
__rte_bit_ ## variant ## clear ## size(qualifier uint ## size ## _t *addr, unsigned int nr) \
{ \
    RTE_ASSERT(nr < size); \
    uint ## size ## _t mask = ~((uint ## size ## _t)1 << nr); \
    (*addr) &= mask; \
}
 
#define __RTE_GEN_BIT_ASSIGN(variant, qualifier, size) \
static inline void \
__rte_bit_ ## variant ## assign ## size(qualifier uint ## size ## _t *addr, unsigned int nr, \
        bool value) \
{ \
    if (value) \
        __rte_bit_ ## variant ## set ## size(addr, nr); \
    else \
        __rte_bit_ ## variant ## clear ## size(addr, nr); \
}
 
#define __RTE_GEN_BIT_FLIP(variant, qualifier, size) \
static inline void \
__rte_bit_ ## variant ## flip ## size(qualifier uint ## size ## _t *addr, unsigned int nr) \
{ \
    bool value; \
    value = __rte_bit_ ## variant ## test ## size(addr, nr); \
    __rte_bit_ ## variant ## assign ## size(addr, nr, !value); \
}
 
#define __RTE_GEN_BIT_OPS(v, qualifier, size) \
    __RTE_GEN_BIT_TEST(v, qualifier, size) \
    __RTE_GEN_BIT_SET(v, qualifier, size) \
    __RTE_GEN_BIT_CLEAR(v, qualifier, size) \
    __RTE_GEN_BIT_ASSIGN(v, qualifier, size) \
    __RTE_GEN_BIT_FLIP(v, qualifier, size)
 
#define __RTE_GEN_BIT_OPS_SIZE(size) \
    __RTE_GEN_BIT_OPS(,, size) \
    __RTE_GEN_BIT_OPS(v_, volatile, size)
 
__RTE_GEN_BIT_OPS_SIZE(32)
__RTE_GEN_BIT_OPS_SIZE(64)
 
#define __RTE_GEN_BIT_ATOMIC_TEST(variant, qualifier, size) \
static inline bool \
__rte_bit_atomic_ ## variant ## test ## size(const qualifier uint ## size ## _t *addr, \
        unsigned int nr, int memory_order) \
{ \
    RTE_ASSERT(nr < size); \
    const qualifier RTE_ATOMIC(uint ## size ## _t) *a_addr = \
        (const qualifier RTE_ATOMIC(uint ## size ## _t) *)addr; \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    return rte_atomic_load_explicit(a_addr, memory_order) & mask; \
}
 
#define __RTE_GEN_BIT_ATOMIC_SET(variant, qualifier, size) \
static inline void \
__rte_bit_atomic_ ## variant ## set ## size(qualifier uint ## size ## _t *addr, \
        unsigned int nr, int memory_order) \
{ \
    RTE_ASSERT(nr < size); \
    qualifier RTE_ATOMIC(uint ## size ## _t) *a_addr = \
        (qualifier RTE_ATOMIC(uint ## size ## _t) *)addr; \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    rte_atomic_fetch_or_explicit(a_addr, mask, memory_order); \
}
 
#define __RTE_GEN_BIT_ATOMIC_CLEAR(variant, qualifier, size) \
static inline void \
__rte_bit_atomic_ ## variant ## clear ## size(qualifier uint ## size ## _t *addr, \
        unsigned int nr, int memory_order) \
{ \
    RTE_ASSERT(nr < size); \
    qualifier RTE_ATOMIC(uint ## size ## _t) *a_addr = \
        (qualifier RTE_ATOMIC(uint ## size ## _t) *)addr; \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    rte_atomic_fetch_and_explicit(a_addr, ~mask, memory_order); \
}
 
#define __RTE_GEN_BIT_ATOMIC_FLIP(variant, qualifier, size) \
static inline void \
__rte_bit_atomic_ ## variant ## flip ## size(qualifier uint ## size ## _t *addr, \
        unsigned int nr, int memory_order) \
{ \
    RTE_ASSERT(nr < size); \
    qualifier RTE_ATOMIC(uint ## size ## _t) *a_addr = \
        (qualifier RTE_ATOMIC(uint ## size ## _t) *)addr; \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    rte_atomic_fetch_xor_explicit(a_addr, mask, memory_order); \
}
 
#define __RTE_GEN_BIT_ATOMIC_ASSIGN(variant, qualifier, size) \
static inline void \
__rte_bit_atomic_## variant ## assign ## size(qualifier uint ## size ## _t *addr, \
        unsigned int nr, bool value, int memory_order) \
{ \
    if (value) \
        __rte_bit_atomic_ ## variant ## set ## size(addr, nr, memory_order); \
    else \
        __rte_bit_atomic_ ## variant ## clear ## size(addr, nr, memory_order); \
}
 
#define __RTE_GEN_BIT_ATOMIC_TEST_AND_SET(variant, qualifier, size) \
static inline bool \
__rte_bit_atomic_ ## variant ## test_and_set ## size(qualifier uint ## size ## _t *addr, \
        unsigned int nr, int memory_order) \
{ \
    RTE_ASSERT(nr < size); \
    qualifier RTE_ATOMIC(uint ## size ## _t) *a_addr = \
        (qualifier RTE_ATOMIC(uint ## size ## _t) *)addr; \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    uint ## size ## _t prev; \
    prev = rte_atomic_fetch_or_explicit(a_addr, mask, memory_order); \
    return prev & mask; \
}
 
#define __RTE_GEN_BIT_ATOMIC_TEST_AND_CLEAR(variant, qualifier, size) \
static inline bool \
__rte_bit_atomic_ ## variant ## test_and_clear ## size(qualifier uint ## size ## _t *addr, \
        unsigned int nr, int memory_order) \
{ \
    RTE_ASSERT(nr < size); \
    qualifier RTE_ATOMIC(uint ## size ## _t) *a_addr = \
        (qualifier RTE_ATOMIC(uint ## size ## _t) *)addr; \
    uint ## size ## _t mask = (uint ## size ## _t)1 << nr; \
    uint ## size ## _t prev; \
    prev = rte_atomic_fetch_and_explicit(a_addr, ~mask, memory_order); \
    return prev & mask; \
}
 
#define __RTE_GEN_BIT_ATOMIC_TEST_AND_ASSIGN(variant, qualifier, size) \
static inline bool \
__rte_bit_atomic_ ## variant ## test_and_assign ## size( \
        qualifier uint ## size ## _t *addr, unsigned int nr, bool value, \
        int memory_order) \
{ \
    if (value) \
        return __rte_bit_atomic_ ## variant ## test_and_set ## size(addr, nr, \
            memory_order); \
    else \
        return __rte_bit_atomic_ ## variant ## test_and_clear ## size(addr, nr, \
            memory_order); \
}
 
#define __RTE_GEN_BIT_ATOMIC_OPS(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_TEST(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_SET(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_CLEAR(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_ASSIGN(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_TEST_AND_SET(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_TEST_AND_CLEAR(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_TEST_AND_ASSIGN(variant, qualifier, size) \
    __RTE_GEN_BIT_ATOMIC_FLIP(variant, qualifier, size)
 
#define __RTE_GEN_BIT_ATOMIC_OPS_SIZE(size) \
    __RTE_GEN_BIT_ATOMIC_OPS(,, size) \
    __RTE_GEN_BIT_ATOMIC_OPS(v_, volatile, size)
 
__RTE_GEN_BIT_ATOMIC_OPS_SIZE(32)
__RTE_GEN_BIT_ATOMIC_OPS_SIZE(64)
 
/*------------------------ 32-bit relaxed operations ------------------------*/
 
static inline uint32_t
rte_bit_relaxed_get32(unsigned int nr, volatile uint32_t *addr)
{
    RTE_ASSERT(nr < 32);
 
    uint32_t mask = UINT32_C(1) << nr;
    return (*addr) & mask;
}
 
static inline void
rte_bit_relaxed_set32(unsigned int nr, volatile uint32_t *addr)
{
    RTE_ASSERT(nr < 32);
 
    uint32_t mask = RTE_BIT32(nr);
    *addr = (*addr) | mask;
}
 
static inline void
rte_bit_relaxed_clear32(unsigned int nr, volatile uint32_t *addr)
{
    RTE_ASSERT(nr < 32);
 
    uint32_t mask = RTE_BIT32(nr);
    *addr = (*addr) & (~mask);
}
 
static inline uint32_t
rte_bit_relaxed_test_and_set32(unsigned int nr, volatile uint32_t *addr)
{
    RTE_ASSERT(nr < 32);
 
    uint32_t mask = RTE_BIT32(nr);
    uint32_t val = *addr;
    *addr = val | mask;
    return val & mask;
}
 
static inline uint32_t
rte_bit_relaxed_test_and_clear32(unsigned int nr, volatile uint32_t *addr)
{
    RTE_ASSERT(nr < 32);
 
    uint32_t mask = RTE_BIT32(nr);
    uint32_t val = *addr;
    *addr = val & (~mask);
    return val & mask;
}
 
/*------------------------ 64-bit relaxed operations ------------------------*/
 
static inline uint64_t
rte_bit_relaxed_get64(unsigned int nr, volatile uint64_t *addr)
{
    RTE_ASSERT(nr < 64);
 
    uint64_t mask = RTE_BIT64(nr);
    return (*addr) & mask;
}
 
static inline void
rte_bit_relaxed_set64(unsigned int nr, volatile uint64_t *addr)
{
    RTE_ASSERT(nr < 64);
 
    uint64_t mask = RTE_BIT64(nr);
    (*addr) = (*addr) | mask;
}
 
static inline void
rte_bit_relaxed_clear64(unsigned int nr, volatile uint64_t *addr)
{
    RTE_ASSERT(nr < 64);
 
    uint64_t mask = RTE_BIT64(nr);
    *addr = (*addr) & (~mask);
}
 
static inline uint64_t
rte_bit_relaxed_test_and_set64(unsigned int nr, volatile uint64_t *addr)
{
    RTE_ASSERT(nr < 64);
 
    uint64_t mask = RTE_BIT64(nr);
    uint64_t val = *addr;
    *addr = val | mask;
    return val;
}
 
static inline uint64_t
rte_bit_relaxed_test_and_clear64(unsigned int nr, volatile uint64_t *addr)
{
    RTE_ASSERT(nr < 64);
 
    uint64_t mask = RTE_BIT64(nr);
    uint64_t val = *addr;
    *addr = val & (~mask);
    return val & mask;
}
 
#ifdef RTE_TOOLCHAIN_MSVC
 
static inline unsigned int
rte_clz32(uint32_t v)
{
    unsigned long rv;
 
    (void)_BitScanReverse(&rv, v);
 
    return (unsigned int)(sizeof(v) * CHAR_BIT - 1 - rv);
}
 
static inline unsigned int
rte_clz64(uint64_t v)
{
    unsigned long rv;
 
    (void)_BitScanReverse64(&rv, v);
 
    return (unsigned int)(sizeof(v) * CHAR_BIT - 1 - rv);
}
 
static inline unsigned int
rte_ctz32(uint32_t v)
{
    unsigned long rv;
 
    (void)_BitScanForward(&rv, v);
 
    return (unsigned int)rv;
}
 
static inline unsigned int
rte_ctz64(uint64_t v)
{
    unsigned long rv;
 
    (void)_BitScanForward64(&rv, v);
 
    return (unsigned int)rv;
}
 
static inline unsigned int
rte_popcount32(uint32_t v)
{
    return (unsigned int)__popcnt(v);
}
 
static inline unsigned int
rte_popcount64(uint64_t v)
{
    return (unsigned int)__popcnt64(v);
}
 
__rte_experimental
static inline unsigned int
rte_ffs32(uint32_t v)
{
    unsigned long rv;
 
    if (_BitScanForward(&rv, v) == 0)
        return 0;
 
    return (unsigned int)rv + 1;
}
 
__rte_experimental
static inline unsigned int
rte_ffs64(uint64_t v)
{
    unsigned long rv;
 
    if (_BitScanForward64(&rv, v) == 0)
        return 0;
 
    return (unsigned int)rv + 1;
}
 
#else
 
static inline unsigned int
rte_clz32(uint32_t v)
{
    return (unsigned int)__builtin_clz(v);
}
 
static inline unsigned int
rte_clz64(uint64_t v)
{
    return (unsigned int)__builtin_clzll(v);
}
 
static inline unsigned int
rte_ctz32(uint32_t v)
{
    return (unsigned int)__builtin_ctz(v);
}
 
static inline unsigned int
rte_ctz64(uint64_t v)
{
    return (unsigned int)__builtin_ctzll(v);
}
 
static inline unsigned int
rte_popcount32(uint32_t v)
{
    return (unsigned int)__builtin_popcount(v);
}
 
static inline unsigned int
rte_popcount64(uint64_t v)
{
    return (unsigned int)__builtin_popcountll(v);
}
 
__rte_experimental
static inline unsigned int
rte_ffs32(uint32_t v)
{
    return (unsigned int)__builtin_ffs(v);
}
 
__rte_experimental
static inline unsigned int
rte_ffs64(uint64_t v)
{
    return (unsigned int)__builtin_ffsll(v);
}
 
#endif
 
static inline uint32_t
rte_combine32ms1b(uint32_t x)
{
    x |= x >> 1;
    x |= x >> 2;
    x |= x >> 4;
    x |= x >> 8;
    x |= x >> 16;
 
    return x;
}
 
static inline uint64_t
rte_combine64ms1b(uint64_t v)
{
    v |= v >> 1;
    v |= v >> 2;
    v |= v >> 4;
    v |= v >> 8;
    v |= v >> 16;
    v |= v >> 32;
 
    return v;
}
 
static inline uint32_t
rte_bsf32(uint32_t v)
{
    return (uint32_t)rte_ctz32(v);
}
 
static inline int
rte_bsf32_safe(uint32_t v, uint32_t *pos)
{
    if (v == 0)
        return 0;
 
    *pos = rte_bsf32(v);
    return 1;
}
 
static inline uint32_t
rte_bsf64(uint64_t v)
{
    return (uint32_t)rte_ctz64(v);
}
 
static inline int
rte_bsf64_safe(uint64_t v, uint32_t *pos)
{
    if (v == 0)
        return 0;
 
    *pos = rte_bsf64(v);
    return 1;
}
 
static inline uint32_t
rte_fls_u32(uint32_t x)
{
    return (x == 0) ? 0 : 32 - rte_clz32(x);
}
 
static inline uint32_t
rte_fls_u64(uint64_t x)
{
    return (x == 0) ? 0 : 64 - rte_clz64(x);
}
 
/*********** Macros to work with powers of 2 ********/
 
#define RTE_IS_POWER_OF_2(n) ((n) != 0 && (((n) - 1) & (n)) == 0)
 
static inline int
rte_is_power_of_2(uint32_t n)
{
    return n && !(n & (n - 1));
}
 
static inline uint32_t
rte_align32pow2(uint32_t x)
{
    x--;
    x = rte_combine32ms1b(x);
 
    return x + 1;
}
 
static inline uint32_t
rte_align32prevpow2(uint32_t x)
{
    x = rte_combine32ms1b(x);
 
    return x - (x >> 1);
}
 
static inline uint64_t
rte_align64pow2(uint64_t v)
{
    v--;
    v = rte_combine64ms1b(v);
 
    return v + 1;
}
 
static inline uint64_t
rte_align64prevpow2(uint64_t v)
{
    v = rte_combine64ms1b(v);
 
    return v - (v >> 1);
}
 
static inline uint32_t
rte_log2_u32(uint32_t v)
{
    if (v == 0)
        return 0;
    v = rte_align32pow2(v);
    return rte_bsf32(v);
}
 
static inline uint32_t
rte_log2_u64(uint64_t v)
{
    if (v == 0)
        return 0;
    v = rte_align64pow2(v);
    /* we checked for v being 0 already, so no undefined behavior */
    return rte_bsf64(v);
}
 
#ifdef __cplusplus
}
 
/*
 * Since C++ doesn't support generic selection (i.e., _Generic),
 * function overloading is used instead. Such functions must be
 * defined outside 'extern "C"' to be accepted by the compiler.
 */
 
#undef rte_bit_test
#undef rte_bit_set
#undef rte_bit_clear
#undef rte_bit_assign
#undef rte_bit_flip
 
#undef rte_bit_atomic_test
#undef rte_bit_atomic_set
#undef rte_bit_atomic_clear
#undef rte_bit_atomic_assign
#undef rte_bit_atomic_flip
#undef rte_bit_atomic_test_and_set
#undef rte_bit_atomic_test_and_clear
#undef rte_bit_atomic_test_and_assign
 
#define __RTE_BIT_OVERLOAD_V_2(family, v, fun, qualifier, size, arg1_type, arg1_name) \
static inline void \
rte_bit_ ## family ## fun(qualifier uint ## size ## _t *addr, arg1_type arg1_name) \
{ \
    __rte_bit_ ## family ## v ## fun ## size(addr, arg1_name); \
}
 
#define __RTE_BIT_OVERLOAD_SZ_2(family, fun, qualifier, size, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_V_2(family,, fun, qualifier, size, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_V_2(family, v_, fun, qualifier volatile, size, arg1_type, arg1_name)
 
#define __RTE_BIT_OVERLOAD_2(family, fun, qualifier, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_SZ_2(family, fun, qualifier, 32, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_SZ_2(family, fun, qualifier, 64, arg1_type, arg1_name)
 
#define __RTE_BIT_OVERLOAD_V_2R(family, v, fun, qualifier, size, ret_type, arg1_type, arg1_name) \
static inline ret_type \
rte_bit_ ## family ## fun(qualifier uint ## size ## _t *addr, arg1_type arg1_name) \
{ \
    return __rte_bit_ ## family ## v ## fun ## size(addr, arg1_name); \
}
 
#define __RTE_BIT_OVERLOAD_SZ_2R(family, fun, qualifier, size, ret_type, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_V_2R(family,, fun, qualifier, size, ret_type, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_V_2R(family, v_, fun, qualifier volatile, size, ret_type, arg1_type, \
        arg1_name)
 
#define __RTE_BIT_OVERLOAD_2R(family, fun, qualifier, ret_type, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_SZ_2R(family, fun, qualifier, 32, ret_type, arg1_type, arg1_name) \
    __RTE_BIT_OVERLOAD_SZ_2R(family, fun, qualifier, 64, ret_type, arg1_type, arg1_name)
 
#define __RTE_BIT_OVERLOAD_V_3(family, v, fun, qualifier, size, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
static inline void \
rte_bit_ ## family ## fun(qualifier uint ## size ## _t *addr, arg1_type arg1_name, \
        arg2_type arg2_name) \
{ \
    __rte_bit_ ## family ## v ## fun ## size(addr, arg1_name, arg2_name); \
}
 
#define __RTE_BIT_OVERLOAD_SZ_3(family, fun, qualifier, size, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_V_3(family,, fun, qualifier, size, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_V_3(family, v_, fun, qualifier volatile, size, arg1_type, arg1_name, \
        arg2_type, arg2_name)
 
#define __RTE_BIT_OVERLOAD_3(family, fun, qualifier, arg1_type, arg1_name, arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_SZ_3(family, fun, qualifier, 32, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_SZ_3(family, fun, qualifier, 64, arg1_type, arg1_name, \
        arg2_type, arg2_name)
 
#define __RTE_BIT_OVERLOAD_V_3R(family, v, fun, qualifier, size, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
static inline ret_type \
rte_bit_ ## family ## fun(qualifier uint ## size ## _t *addr, arg1_type arg1_name, \
        arg2_type arg2_name) \
{ \
    return __rte_bit_ ## family ## v ## fun ## size(addr, arg1_name, arg2_name); \
}
 
#define __RTE_BIT_OVERLOAD_SZ_3R(family, fun, qualifier, size, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_V_3R(family,, fun, qualifier, size, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_V_3R(family, v_, fun, qualifier volatile, size, ret_type, \
        arg1_type, arg1_name, arg2_type, arg2_name)
 
#define __RTE_BIT_OVERLOAD_3R(family, fun, qualifier, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_SZ_3R(family, fun, qualifier, 32, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name) \
    __RTE_BIT_OVERLOAD_SZ_3R(family, fun, qualifier, 64, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name)
 
#define __RTE_BIT_OVERLOAD_V_4(family, v, fun, qualifier, size, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
static inline void \
rte_bit_ ## family ## fun(qualifier uint ## size ## _t *addr, arg1_type arg1_name, \
        arg2_type arg2_name, arg3_type arg3_name) \
{ \
    __rte_bit_ ## family ## v ## fun ## size(addr, arg1_name, arg2_name, arg3_name); \
}
 
#define __RTE_BIT_OVERLOAD_SZ_4(family, fun, qualifier, size, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_V_4(family,, fun, qualifier, size, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_V_4(family, v_, fun, qualifier volatile, size, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name)
 
#define __RTE_BIT_OVERLOAD_4(family, fun, qualifier, arg1_type, arg1_name, arg2_type, arg2_name, \
        arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_SZ_4(family, fun, qualifier, 32, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_SZ_4(family, fun, qualifier, 64, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name)
 
#define __RTE_BIT_OVERLOAD_V_4R(family, v, fun, qualifier, size, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
static inline ret_type \
rte_bit_ ## family ## fun(qualifier uint ## size ## _t *addr, arg1_type arg1_name, \
        arg2_type arg2_name, arg3_type arg3_name) \
{ \
    return __rte_bit_ ## family ## v ## fun ## size(addr, arg1_name, arg2_name, \
        arg3_name); \
}
 
#define __RTE_BIT_OVERLOAD_SZ_4R(family, fun, qualifier, size, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_V_4R(family,, fun, qualifier, size, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_V_4R(family, v_, fun, qualifier volatile, size, ret_type, \
        arg1_type, arg1_name, arg2_type, arg2_name, arg3_type, arg3_name)
 
#define __RTE_BIT_OVERLOAD_4R(family, fun, qualifier, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_SZ_4R(family, fun, qualifier, 32, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name) \
    __RTE_BIT_OVERLOAD_SZ_4R(family, fun, qualifier, 64, ret_type, arg1_type, arg1_name, \
        arg2_type, arg2_name, arg3_type, arg3_name)
 
__RTE_BIT_OVERLOAD_2R(, test, const, bool, unsigned int, nr)
__RTE_BIT_OVERLOAD_2(, set,, unsigned int, nr)
__RTE_BIT_OVERLOAD_2(, clear,, unsigned int, nr)
__RTE_BIT_OVERLOAD_3(, assign,, unsigned int, nr, bool, value)
__RTE_BIT_OVERLOAD_2(, flip,, unsigned int, nr)
 
__RTE_BIT_OVERLOAD_3R(atomic_, test, const, bool, unsigned int, nr, int, memory_order)
__RTE_BIT_OVERLOAD_3(atomic_, set,, unsigned int, nr, int, memory_order)
__RTE_BIT_OVERLOAD_3(atomic_, clear,, unsigned int, nr, int, memory_order)
__RTE_BIT_OVERLOAD_4(atomic_, assign,, unsigned int, nr, bool, value, int, memory_order)
__RTE_BIT_OVERLOAD_3(atomic_, flip,, unsigned int, nr, int, memory_order)
__RTE_BIT_OVERLOAD_3R(atomic_, test_and_set,, bool, unsigned int, nr, int, memory_order)
__RTE_BIT_OVERLOAD_3R(atomic_, test_and_clear,, bool, unsigned int, nr, int, memory_order)
__RTE_BIT_OVERLOAD_4R(atomic_, test_and_assign,, bool, unsigned int, nr, bool, value,
    int, memory_order)
 
#endif
 
#endif /* _RTE_BITOPS_H_ */