22 #include <rte_config.h> 28 #define typeof __typeof__ 38 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L 39 #define RTE_STD_C11 __extension__ 50 #define RTE_CC_IS_GNU 0 53 #elif defined __INTEL_COMPILER 55 #elif defined __GNUC__ 58 #define RTE_CC_IS_GNU 1 61 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + \ 68 #define __rte_aligned(a) __attribute__((__aligned__(a))) 70 #ifdef RTE_ARCH_STRICT_ALIGN 75 typedef uint64_t unaligned_uint64_t;
76 typedef uint32_t unaligned_uint32_t;
77 typedef uint16_t unaligned_uint16_t;
83 #define __rte_packed __attribute__((__packed__)) 88 #define __rte_may_alias __attribute__((__may_alias__)) 91 #define __rte_deprecated __attribute__((__deprecated__)) 92 #define __rte_deprecated_msg(msg) __attribute__((__deprecated__(msg))) 97 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG) 98 #define RTE_PRAGMA(x) _Pragma(#x) 99 #define RTE_PRAGMA_WARNING(w) RTE_PRAGMA(GCC warning #w) 100 #define RTE_DEPRECATED(x) RTE_PRAGMA_WARNING(#x is deprecated) 102 #define RTE_DEPRECATED(x) 108 #define __rte_weak __attribute__((__weak__)) 113 #define __rte_used __attribute__((used)) 120 #define __rte_unused __attribute__((__unused__)) 125 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L 126 #define __rte_restrict __restrict 128 #define __rte_restrict restrict 135 #define RTE_SET_USED(x) (void)(x) 145 #define __rte_format_printf(format_index, first_arg) \ 146 __attribute__((format(gnu_printf, format_index, first_arg))) 148 #define __rte_format_printf(format_index, first_arg) \ 149 __attribute__((format(printf, format_index, first_arg))) 157 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG) 158 #define __rte_alloc_size(...) \ 159 __attribute__((alloc_size(__VA_ARGS__))) 161 #define __rte_alloc_size(...) 164 #define RTE_PRIORITY_LOG 101 165 #define RTE_PRIORITY_BUS 110 166 #define RTE_PRIORITY_CLASS 120 167 #define RTE_PRIORITY_LAST 65535 169 #define RTE_PRIO(prio) \ 170 RTE_PRIORITY_ ## prio 181 #ifndef RTE_INIT_PRIO 182 #if defined(__x86_64__) || defined(__i386__) 183 #define RTE_INIT_PRIO(func, prio) \ 185 __attribute__((constructor(RTE_PRIO(prio)), used)) \ 186 __attribute__((target ("sse2"))) \ 187 __attribute__((target ("no-sse3"))) \ 188 __attribute__((target ("no-sse4"))) \ 191 #define RTE_INIT_PRIO(func, prio) \ 193 __attribute__((constructor(RTE_PRIO(prio)), used)) \ 206 #define RTE_INIT(func) \ 207 RTE_INIT_PRIO(func, LAST) 218 #ifndef RTE_FINI_PRIO 219 #define RTE_FINI_PRIO(func, prio) \ 220 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void) 231 #define RTE_FINI(func) \ 232 RTE_FINI_PRIO(func, LAST) 237 #define __rte_noreturn __attribute__((noreturn)) 262 #define __rte_warn_unused_result __attribute__((warn_unused_result)) 267 #define __rte_always_inline inline __attribute__((always_inline)) 272 #define __rte_noinline __attribute__((noinline)) 277 #define __rte_hot __attribute__((hot)) 282 #define __rte_cold __attribute__((cold)) 287 #ifdef RTE_MALLOC_ASAN 289 #define __rte_no_asan __attribute__((no_sanitize("address", "hwaddress"))) 291 #define __rte_no_asan __attribute__((no_sanitize_address)) 294 #define __rte_no_asan 302 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x))) 307 #define RTE_PTR_SUB(ptr, x) ((void *)((uintptr_t)(ptr) - (x))) 314 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2)) 319 #define RTE_CAST_FIELD(var, field, type) \ 320 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field))) 331 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \ 332 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)(ptr), align)) 340 #define RTE_ALIGN_FLOOR(val, align) \ 341 (typeof(val))((val) & (~((typeof(val))((align) - 1)))) 349 #define RTE_PTR_ALIGN_CEIL(ptr, align) \ 350 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align) 358 #define RTE_ALIGN_CEIL(val, align) \ 359 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align) 368 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align) 377 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align) 384 #define RTE_ALIGN_MUL_CEIL(v, mul) \ 385 ((((v) + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul)) 392 #define RTE_ALIGN_MUL_FLOOR(v, mul) \ 393 (((v) / ((typeof(v))(mul))) * (typeof(v))(mul)) 400 #define RTE_ALIGN_MUL_NEAR(v, mul) \ 402 typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \ 403 typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \ 404 (ceil - (v)) > ((v) - floor) ? floor : ceil; \ 421 return ((uintptr_t)ptr & (align - 1)) == 0;
429 #define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 434 #define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1) 437 #define RTE_CACHE_LINE_ROUNDUP(size) RTE_ALIGN_CEIL(size, RTE_CACHE_LINE_SIZE) 440 #if RTE_CACHE_LINE_SIZE == 64 441 #define RTE_CACHE_LINE_SIZE_LOG2 6 442 #elif RTE_CACHE_LINE_SIZE == 128 443 #define RTE_CACHE_LINE_SIZE_LOG2 7 445 #error "Unsupported cache line size" 449 #define RTE_CACHE_LINE_MIN_SIZE 64 452 #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE) 455 #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE) 461 #define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1) 471 #define RTE_BAD_IOVA ((rte_iova_t)-1) 496 static inline uint32_t
518 static inline uint64_t
536 #define RTE_IS_POWER_OF_2(n) ((n) && !(((n) - 1) & (n))) 547 return n && !(n & (n - 1));
559 static inline uint32_t
577 static inline uint32_t
594 static inline uint64_t
612 static inline uint64_t
625 #define RTE_MIN(a, b) \ 627 typeof (a) _a = (a); \ 628 typeof (b) _b = (b); \ 635 #define RTE_MAX(a, b) \ 637 typeof (a) _a = (a); \ 638 typeof (b) _b = (b); \ 655 static inline uint32_t
658 return (uint32_t)__builtin_ctz(v);
696 static inline uint32_t
717 static inline uint32_t
720 return (x == 0) ? 0 : 32 - __builtin_clz(x);
734 static inline uint32_t
737 return (uint32_t)__builtin_ctzll(v);
776 static inline uint32_t
779 return (x == 0) ? 0 : 64 - __builtin_clzll(x);
793 static inline uint32_t
805 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) 823 #define container_of(ptr, type, member) __extension__ ({ \ 824 const typeof(((type *)0)->member) *_ptr = (ptr); \ 825 __rte_unused type *_target_ptr = \ 827 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \ 832 #define RTE_SWAP(a, b) \ 849 #define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field)) 851 #define _RTE_STR(x) #x 853 #define RTE_STR(x) _RTE_STR(x) 860 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ "" 861 #define RTE_FMT_HEAD(fmt, ...) fmt 862 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__ 865 #define RTE_LEN2MASK(ln, tp) \ 866 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln)))) 869 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0])) 902 rte_exit(
int exit_code,
const char *format, ...)
static uint64_t rte_combine64ms1b(uint64_t v)
static uint32_t rte_fls_u64(uint64_t x)
static uint32_t rte_log2_u64(uint64_t v)
static uint32_t rte_combine32ms1b(uint32_t x)
static uint64_t rte_align64pow2(uint64_t v)
static uint32_t rte_log2_u32(uint32_t v)
static uint32_t rte_fls_u32(uint32_t x)
__extension__ typedef uint8_t RTE_MARKER8[0]
__extension__ typedef void * RTE_MARKER[0]
static uint32_t rte_bsf32(uint32_t v)
static uint64_t rte_align64prevpow2(uint64_t v)
static uint32_t rte_bsf64(uint64_t v)
static uint32_t rte_align32pow2(uint32_t x)
static int rte_bsf64_safe(uint64_t v, uint32_t *pos)
__extension__ typedef uint64_t RTE_MARKER64[0]
uint64_t rte_str_to_size(const char *str)
#define __rte_format_printf(format_index, first_arg)
static int rte_bsf32_safe(uint32_t v, uint32_t *pos)
static int rte_is_power_of_2(uint32_t n)
__extension__ typedef uint16_t RTE_MARKER16[0]
__extension__ typedef uint32_t RTE_MARKER32[0]
static uint32_t rte_align32prevpow2(uint32_t x)
__rte_noreturn void rte_exit(int exit_code, const char *format,...) __rte_format_printf(2
static int rte_is_aligned(const void *const __rte_restrict ptr, const unsigned int align)