20 #include <rte_config.h> 29 #ifndef RTE_TOOLCHAIN_MSVC 31 #define typeof __typeof__ 41 #ifdef RTE_TOOLCHAIN_MSVC 47 #ifdef RTE_TOOLCHAIN_MSVC 48 #define __rte_constant(e) 0 50 #define __rte_constant(e) __extension__(__builtin_constant_p(e)) 59 #define RTE_CC_IS_GNU 0 62 #elif defined __INTEL_COMPILER 64 #elif defined __GNUC__ 67 #define RTE_CC_IS_GNU 1 70 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + \ 86 #ifdef RTE_TOOLCHAIN_MSVC 87 #define __rte_aligned(a) __declspec(align(a)) 89 #define __rte_aligned(a) __attribute__((__aligned__(a))) 92 #ifdef RTE_ARCH_STRICT_ALIGN 97 typedef uint64_t unaligned_uint64_t;
98 typedef uint32_t unaligned_uint32_t;
99 typedef uint16_t unaligned_uint16_t;
105 #ifdef RTE_TOOLCHAIN_MSVC 108 #define __rte_packed __attribute__((__packed__)) 114 #ifdef RTE_TOOLCHAIN_MSVC 115 #define __rte_may_alias 117 #define __rte_may_alias __attribute__((__may_alias__)) 121 #ifdef RTE_TOOLCHAIN_MSVC 122 #define __rte_deprecated 123 #define __rte_deprecated_msg(msg) 125 #define __rte_deprecated __attribute__((__deprecated__)) 126 #define __rte_deprecated_msg(msg) __attribute__((__deprecated__(msg))) 132 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG) 133 #define RTE_PRAGMA(x) _Pragma(#x) 134 #define RTE_PRAGMA_WARNING(w) RTE_PRAGMA(GCC warning #w) 135 #define RTE_DEPRECATED(x) RTE_PRAGMA_WARNING(#x is deprecated) 137 #define RTE_DEPRECATED(x) 143 #define __rte_weak __attribute__((__weak__)) 148 #ifdef RTE_TOOLCHAIN_MSVC 151 #define __rte_pure __attribute__((pure)) 157 #ifdef RTE_TOOLCHAIN_MSVC 160 #define __rte_used __attribute__((used)) 168 #ifdef RTE_TOOLCHAIN_MSVC 171 #define __rte_unused __attribute__((__unused__)) 177 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L 178 #define __rte_restrict __restrict 180 #define __rte_restrict restrict 187 #define RTE_SET_USED(x) (void)(x) 196 #ifdef RTE_TOOLCHAIN_MSVC 197 #define __rte_format_printf(format_index, first_arg) 200 #define __rte_format_printf(format_index, first_arg) \ 201 __attribute__((format(gnu_printf, format_index, first_arg))) 203 #define __rte_format_printf(format_index, first_arg) \ 204 __attribute__((format(printf, format_index, first_arg))) 211 #ifdef RTE_TOOLCHAIN_MSVC 212 #define __rte_section(name) \ 213 __pragma(data_seg(name)) __declspec(allocate(name)) 215 #define __rte_section(name) \ 216 __attribute__((section(name))) 224 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG) 225 #define __rte_alloc_size(...) \ 226 __attribute__((alloc_size(__VA_ARGS__))) 228 #define __rte_alloc_size(...) 237 #if defined(RTE_CC_GCC) 238 #define __rte_alloc_align(argno) \ 239 __attribute__((alloc_align(argno))) 241 #define __rte_alloc_align(argno) 248 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG) 249 #define __rte_malloc __attribute__((__malloc__)) 258 #if defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION >= 110000) 259 #define __rte_dealloc(dealloc, argno) \ 260 __attribute__((malloc(dealloc, argno))) 262 #define __rte_dealloc(dealloc, argno) 265 #define RTE_PRIORITY_LOG 101 266 #define RTE_PRIORITY_BUS 110 267 #define RTE_PRIORITY_CLASS 120 268 #define RTE_PRIORITY_LAST 65535 270 #define RTE_PRIO(prio) \ 271 RTE_PRIORITY_ ## prio 282 #ifndef RTE_INIT_PRIO 283 #ifndef RTE_TOOLCHAIN_MSVC 284 #define RTE_INIT_PRIO(func, prio) \ 285 static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void) 288 typedef int(__cdecl *_PIFV)(void);
290 #define CTOR_SECTION_LOG ".CRT$XIB" 291 #define CTOR_SECTION_BUS ".CRT$XIC" 292 #define CTOR_SECTION_CLASS ".CRT$XID" 293 #define CTOR_SECTION_LAST ".CRT$XIY" 295 #define CTOR_PRIORITY_TO_SECTION(priority) CTOR_SECTION_ ## priority 297 #define RTE_INIT_PRIO(name, priority) \ 298 static void name(void); \ 299 static int __cdecl name ## _thunk(void) { name(); return 0; } \ 300 __pragma(const_seg(CTOR_PRIORITY_TO_SECTION(priority))) \ 301 __declspec(allocate(CTOR_PRIORITY_TO_SECTION(priority))) \ 302 _PIFV name ## _pointer = &name ## _thunk; \ 303 __pragma(const_seg()) \ 304 static void name(void) 316 #define RTE_INIT(func) \ 317 RTE_INIT_PRIO(func, LAST) 328 #ifndef RTE_FINI_PRIO 329 #ifndef RTE_TOOLCHAIN_MSVC 330 #define RTE_FINI_PRIO(func, prio) \ 331 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void) 333 #define DTOR_SECTION_LOG "mydtor$B" 334 #define DTOR_SECTION_BUS "mydtor$C" 335 #define DTOR_SECTION_CLASS "mydtor$D" 336 #define DTOR_SECTION_LAST "mydtor$Y" 338 #define DTOR_PRIORITY_TO_SECTION(priority) DTOR_SECTION_ ## priority 340 #define RTE_FINI_PRIO(name, priority) \ 341 static void name(void); \ 342 __pragma(const_seg(DTOR_PRIORITY_TO_SECTION(priority))) \ 343 __declspec(allocate(DTOR_PRIORITY_TO_SECTION(priority))) void *name ## _pointer = &name; \ 344 __pragma(const_seg()) \ 345 static void name(void) 357 #define RTE_FINI(func) \ 358 RTE_FINI_PRIO(func, LAST) 363 #ifdef RTE_TOOLCHAIN_MSVC 364 #define __rte_noreturn 366 #define __rte_noreturn __attribute__((noreturn)) 392 #ifdef RTE_TOOLCHAIN_MSVC 393 #define __rte_warn_unused_result 395 #define __rte_warn_unused_result __attribute__((warn_unused_result)) 401 #ifdef RTE_TOOLCHAIN_MSVC 402 #define __rte_always_inline 404 #define __rte_always_inline inline __attribute__((always_inline)) 410 #define __rte_noinline __attribute__((noinline)) 415 #define __rte_hot __attribute__((hot)) 420 #ifdef RTE_TOOLCHAIN_MSVC 423 #define __rte_cold __attribute__((cold)) 429 #ifdef RTE_MALLOC_ASAN 431 #define __rte_no_asan __attribute__((no_sanitize("address", "hwaddress"))) 433 #define __rte_no_asan __attribute__((no_sanitize_address)) 436 #define __rte_no_asan 444 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x))) 449 #define RTE_PTR_SUB(ptr, x) ((void *)((uintptr_t)(ptr) - (x))) 456 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2)) 461 #define RTE_CAST_FIELD(var, field, type) \ 462 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field))) 473 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \ 474 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)(ptr), align)) 482 #define RTE_ALIGN_FLOOR(val, align) \ 483 (typeof(val))((val) & (~((typeof(val))((align) - 1)))) 491 #define RTE_PTR_ALIGN_CEIL(ptr, align) \ 492 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align) 500 #define RTE_ALIGN_CEIL(val, align) \ 501 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align) 510 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align) 519 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align) 526 #define RTE_ALIGN_MUL_CEIL(v, mul) \ 527 ((((v) + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul)) 534 #define RTE_ALIGN_MUL_FLOOR(v, mul) \ 535 (((v) / ((typeof(v))(mul))) * (typeof(v))(mul)) 542 #define RTE_ALIGN_MUL_NEAR(v, mul) \ 544 typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \ 545 typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \ 546 (ceil - (v)) > ((v) - floor) ? floor : ceil; \ 563 return ((uintptr_t)ptr & (align - 1)) == 0;
569 #if !defined(static_assert) && !defined(__cplusplus) 570 #define static_assert _Static_assert 579 #define RTE_BUILD_BUG_ON(condition) do { static_assert(!(condition), #condition); } while (0) 584 #define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1) 587 #define RTE_CACHE_LINE_ROUNDUP(size) RTE_ALIGN_CEIL(size, RTE_CACHE_LINE_SIZE) 590 #if RTE_CACHE_LINE_SIZE == 64 591 #define RTE_CACHE_LINE_SIZE_LOG2 6 592 #elif RTE_CACHE_LINE_SIZE == 128 593 #define RTE_CACHE_LINE_SIZE_LOG2 7 595 #error "Unsupported cache line size" 599 #define RTE_CACHE_LINE_MIN_SIZE 64 602 #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE) 605 #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE) 607 #define _RTE_CACHE_GUARD_HELPER2(unique) \ 608 alignas(RTE_CACHE_LINE_SIZE) \ 609 char cache_guard_ ## unique[RTE_CACHE_LINE_SIZE * RTE_CACHE_GUARD_LINES] 610 #define _RTE_CACHE_GUARD_HELPER1(unique) _RTE_CACHE_GUARD_HELPER2(unique) 618 #define RTE_CACHE_GUARD _RTE_CACHE_GUARD_HELPER1(__COUNTER__) 624 #define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1) 634 #define RTE_BAD_IOVA ((rte_iova_t)-1) 638 #ifndef RTE_TOOLCHAIN_MSVC 658 #define RTE_MIN(a, b) \ 660 typeof (a) _a = (a); \ 661 typeof (b) _b = (b); \ 672 #define RTE_MIN_T(a, b, t) \ 673 ((t)(a) < (t)(b) ? (t)(a) : (t)(b)) 678 #define RTE_MAX(a, b) \ 680 typeof (a) _a = (a); \ 681 typeof (b) _b = (b); \ 692 #define RTE_MAX_T(a, b, t) \ 693 ((t)(a) > (t)(b) ? (t)(a) : (t)(b)) 699 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) 717 #ifdef RTE_TOOLCHAIN_MSVC 718 #define container_of(ptr, type, member) \ 719 ((type *)((uintptr_t)(ptr) - offsetof(type, member))) 721 #define container_of(ptr, type, member) __extension__ ({ \ 722 const typeof(((type *)0)->member) *_ptr = (ptr); \ 723 __rte_unused type *_target_ptr = \ 725 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \ 731 #define RTE_SWAP(a, b) \ 748 #define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field)) 750 #define _RTE_STR(x) #x 752 #define RTE_STR(x) _RTE_STR(x) 759 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ "" 760 #define RTE_FMT_HEAD(fmt, ...) fmt 761 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__ 764 #define RTE_LEN2MASK(ln, tp) \ 765 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln)))) 768 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0])) 801 rte_exit(
int exit_code,
const char *format, ...)
__extension__ typedef uint8_t RTE_MARKER8[0]
__extension__ typedef void * RTE_MARKER[0]
__extension__ typedef uint64_t RTE_MARKER64[0]
uint64_t rte_str_to_size(const char *str)
#define __rte_format_printf(format_index, first_arg)
__extension__ typedef uint16_t RTE_MARKER16[0]
__extension__ typedef uint32_t RTE_MARKER32[0]
__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)