24 #include <rte_config.h>
29 #ifndef RTE_TOOLCHAIN_MSVC
31 #define typeof __typeof__
41 #ifdef RTE_TOOLCHAIN_MSVC
53 #define RTE_CC_IS_GNU 0
56 #elif defined __INTEL_COMPILER
58 #elif defined __GNUC__
61 #define RTE_CC_IS_GNU 1
64 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + \
80 #ifdef RTE_TOOLCHAIN_MSVC
81 #define __rte_aligned(a) __declspec(align(a))
83 #define __rte_aligned(a) __attribute__((__aligned__(a)))
86 #ifdef RTE_ARCH_STRICT_ALIGN
91 typedef uint64_t unaligned_uint64_t;
92 typedef uint32_t unaligned_uint32_t;
93 typedef uint16_t unaligned_uint16_t;
99 #ifdef RTE_TOOLCHAIN_MSVC
102 #define __rte_packed __attribute__((__packed__))
108 #ifdef RTE_TOOLCHAIN_MSVC
109 #define __rte_may_alias
111 #define __rte_may_alias __attribute__((__may_alias__))
115 #ifdef RTE_TOOLCHAIN_MSVC
116 #define __rte_deprecated
117 #define __rte_deprecated_msg(msg)
119 #define __rte_deprecated __attribute__((__deprecated__))
120 #define __rte_deprecated_msg(msg) __attribute__((__deprecated__(msg)))
126 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG)
127 #define RTE_PRAGMA(x) _Pragma(#x)
128 #define RTE_PRAGMA_WARNING(w) RTE_PRAGMA(GCC warning #w)
129 #define RTE_DEPRECATED(x) RTE_PRAGMA_WARNING(#x is deprecated)
131 #define RTE_DEPRECATED(x)
137 #define __rte_weak __attribute__((__weak__))
142 #ifdef RTE_TOOLCHAIN_MSVC
145 #define __rte_used __attribute__((used))
153 #ifdef RTE_TOOLCHAIN_MSVC
156 #define __rte_unused __attribute__((__unused__))
162 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L
163 #define __rte_restrict __restrict
165 #define __rte_restrict restrict
172 #define RTE_SET_USED(x) (void)(x)
181 #ifdef RTE_TOOLCHAIN_MSVC
182 #define __rte_format_printf(format_index, first_arg)
185 #define __rte_format_printf(format_index, first_arg) \
186 __attribute__((format(gnu_printf, format_index, first_arg)))
188 #define __rte_format_printf(format_index, first_arg) \
189 __attribute__((format(printf, format_index, first_arg)))
196 #ifdef RTE_TOOLCHAIN_MSVC
197 #define __rte_section(name) \
198 __pragma(data_seg(name)) __declspec(allocate(name))
200 #define __rte_section(name) \
201 __attribute__((section(name)))
209 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG)
210 #define __rte_alloc_size(...) \
211 __attribute__((alloc_size(__VA_ARGS__)))
213 #define __rte_alloc_size(...)
216 #define RTE_PRIORITY_LOG 101
217 #define RTE_PRIORITY_BUS 110
218 #define RTE_PRIORITY_CLASS 120
219 #define RTE_PRIORITY_LAST 65535
221 #define RTE_PRIO(prio) \
222 RTE_PRIORITY_ ## prio
233 #ifndef RTE_INIT_PRIO
234 #ifndef RTE_TOOLCHAIN_MSVC
235 #define RTE_INIT_PRIO(func, prio) \
236 static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void)
239 typedef int(__cdecl *_PIFV)(void);
241 #define CTOR_SECTION_LOG ".CRT$XIB"
242 #define CTOR_SECTION_BUS ".CRT$XIC"
243 #define CTOR_SECTION_CLASS ".CRT$XID"
244 #define CTOR_SECTION_LAST ".CRT$XIY"
246 #define CTOR_PRIORITY_TO_SECTION(priority) CTOR_SECTION_ ## priority
248 #define RTE_INIT_PRIO(name, priority) \
249 static void name(void); \
250 static int __cdecl name ## _thunk(void) { name(); return 0; } \
251 __pragma(const_seg(CTOR_PRIORITY_TO_SECTION(priority))) \
252 __declspec(allocate(CTOR_PRIORITY_TO_SECTION(priority))) \
253 _PIFV name ## _pointer = &name ## _thunk; \
254 __pragma(const_seg()) \
255 static void name(void)
267 #define RTE_INIT(func) \
268 RTE_INIT_PRIO(func, LAST)
279 #ifndef RTE_FINI_PRIO
280 #ifndef RTE_TOOLCHAIN_MSVC
281 #define RTE_FINI_PRIO(func, prio) \
282 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
284 #define DTOR_SECTION_LOG "mydtor$B"
285 #define DTOR_SECTION_BUS "mydtor$C"
286 #define DTOR_SECTION_CLASS "mydtor$D"
287 #define DTOR_SECTION_LAST "mydtor$Y"
289 #define DTOR_PRIORITY_TO_SECTION(priority) DTOR_SECTION_ ## priority
291 #define RTE_FINI_PRIO(name, priority) \
292 static void name(void); \
293 __pragma(const_seg(DTOR_PRIORITY_TO_SECTION(priority))) \
294 __declspec(allocate(DTOR_PRIORITY_TO_SECTION(priority))) name ## _pointer = &name; \
295 __pragma(const_seg()) \
296 static void name(void)
308 #define RTE_FINI(func) \
309 RTE_FINI_PRIO(func, LAST)
314 #ifdef RTE_TOOLCHAIN_MSVC
315 #define __rte_noreturn
317 #define __rte_noreturn __attribute__((noreturn))
343 #ifdef RTE_TOOLCHAIN_MSVC
344 #define __rte_warn_unused_result
346 #define __rte_warn_unused_result __attribute__((warn_unused_result))
352 #ifdef RTE_TOOLCHAIN_MSVC
353 #define __rte_always_inline
355 #define __rte_always_inline inline __attribute__((always_inline))
361 #define __rte_noinline __attribute__((noinline))
366 #define __rte_hot __attribute__((hot))
371 #ifdef RTE_TOOLCHAIN_MSVC
374 #define __rte_cold __attribute__((cold))
380 #ifdef RTE_MALLOC_ASAN
382 #define __rte_no_asan __attribute__((no_sanitize("address", "hwaddress")))
384 #define __rte_no_asan __attribute__((no_sanitize_address))
387 #define __rte_no_asan
395 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x)))
400 #define RTE_PTR_SUB(ptr, x) ((void *)((uintptr_t)(ptr) - (x)))
407 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2))
412 #define RTE_CAST_FIELD(var, field, type) \
413 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field)))
424 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \
425 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)(ptr), align))
433 #define RTE_ALIGN_FLOOR(val, align) \
434 (typeof(val))((val) & (~((typeof(val))((align) - 1))))
442 #define RTE_PTR_ALIGN_CEIL(ptr, align) \
443 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align)
451 #define RTE_ALIGN_CEIL(val, align) \
452 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align)
461 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align)
470 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align)
477 #define RTE_ALIGN_MUL_CEIL(v, mul) \
478 ((((v) + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul))
485 #define RTE_ALIGN_MUL_FLOOR(v, mul) \
486 (((v) / ((typeof(v))(mul))) * (typeof(v))(mul))
493 #define RTE_ALIGN_MUL_NEAR(v, mul) \
495 typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \
496 typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \
497 (ceil - (v)) > ((v) - floor) ? floor : ceil; \
514 return ((uintptr_t)ptr & (align - 1)) == 0;
520 #if !defined(static_assert) && !defined(__cplusplus)
521 #define static_assert _Static_assert
530 #define RTE_BUILD_BUG_ON(condition) do { static_assert(!(condition), #condition); } while (0)
535 #define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1)
538 #define RTE_CACHE_LINE_ROUNDUP(size) RTE_ALIGN_CEIL(size, RTE_CACHE_LINE_SIZE)
541 #if RTE_CACHE_LINE_SIZE == 64
542 #define RTE_CACHE_LINE_SIZE_LOG2 6
543 #elif RTE_CACHE_LINE_SIZE == 128
544 #define RTE_CACHE_LINE_SIZE_LOG2 7
546 #error "Unsupported cache line size"
550 #define RTE_CACHE_LINE_MIN_SIZE 64
553 #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE)
556 #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE)
558 #define _RTE_CACHE_GUARD_HELPER2(unique) \
559 alignas(RTE_CACHE_LINE_SIZE) \
560 char cache_guard_ ## unique[RTE_CACHE_LINE_SIZE * RTE_CACHE_GUARD_LINES]
561 #define _RTE_CACHE_GUARD_HELPER1(unique) _RTE_CACHE_GUARD_HELPER2(unique)
569 #define RTE_CACHE_GUARD _RTE_CACHE_GUARD_HELPER1(__COUNTER__)
575 #define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1)
585 #define RTE_BAD_IOVA ((rte_iova_t)-1)
589 #ifndef RTE_TOOLCHAIN_MSVC
609 #define RTE_MIN(a, b) \
611 typeof (a) _a = (a); \
612 typeof (b) _b = (b); \
623 #define RTE_MIN_T(a, b, t) \
624 ((t)(a) < (t)(b) ? (t)(a) : (t)(b))
629 #define RTE_MAX(a, b) \
631 typeof (a) _a = (a); \
632 typeof (b) _b = (b); \
643 #define RTE_MAX_T(a, b, t) \
644 ((t)(a) > (t)(b) ? (t)(a) : (t)(b))
650 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
668 #ifdef RTE_TOOLCHAIN_MSVC
669 #define container_of(ptr, type, member) \
670 ((type *)((uintptr_t)(ptr) - offsetof(type, member)))
672 #define container_of(ptr, type, member) __extension__ ({ \
673 const typeof(((type *)0)->member) *_ptr = (ptr); \
674 __rte_unused type *_target_ptr = \
676 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \
682 #define RTE_SWAP(a, b) \
699 #define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field))
701 #define _RTE_STR(x) #x
703 #define RTE_STR(x) _RTE_STR(x)
710 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ ""
711 #define RTE_FMT_HEAD(fmt, ...) fmt
712 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__
715 #define RTE_LEN2MASK(ln, tp) \
716 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln))))
719 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0]))
752 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)