22 #include <rte_config.h>
27 #ifndef RTE_TOOLCHAIN_MSVC
29 #define typeof __typeof__
39 #ifdef RTE_TOOLCHAIN_MSVC
49 #define RTE_CC_IS_GNU 0
52 #elif defined __INTEL_COMPILER
54 #elif defined __GNUC__
57 #define RTE_CC_IS_GNU 1
60 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + \
67 #ifdef RTE_TOOLCHAIN_MSVC
68 #define __rte_aligned(a)
70 #define __rte_aligned(a) __attribute__((__aligned__(a)))
73 #ifdef RTE_ARCH_STRICT_ALIGN
78 typedef uint64_t unaligned_uint64_t;
79 typedef uint32_t unaligned_uint32_t;
80 typedef uint16_t unaligned_uint16_t;
86 #ifdef RTE_TOOLCHAIN_MSVC
89 #define __rte_packed __attribute__((__packed__))
95 #ifdef RTE_TOOLCHAIN_MSVC
96 #define __rte_may_alias
98 #define __rte_may_alias __attribute__((__may_alias__))
102 #ifdef RTE_TOOLCHAIN_MSVC
103 #define __rte_deprecated
104 #define __rte_deprecated_msg(msg)
106 #define __rte_deprecated __attribute__((__deprecated__))
107 #define __rte_deprecated_msg(msg) __attribute__((__deprecated__(msg)))
113 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG)
114 #define RTE_PRAGMA(x) _Pragma(#x)
115 #define RTE_PRAGMA_WARNING(w) RTE_PRAGMA(GCC warning #w)
116 #define RTE_DEPRECATED(x) RTE_PRAGMA_WARNING(#x is deprecated)
118 #define RTE_DEPRECATED(x)
124 #define __rte_weak __attribute__((__weak__))
129 #ifdef RTE_TOOLCHAIN_MSVC
132 #define __rte_used __attribute__((used))
140 #ifdef RTE_TOOLCHAIN_MSVC
143 #define __rte_unused __attribute__((__unused__))
149 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L
150 #define __rte_restrict __restrict
152 #define __rte_restrict restrict
159 #define RTE_SET_USED(x) (void)(x)
168 #ifdef RTE_TOOLCHAIN_MSVC
169 #define __rte_format_printf(format_index, first_arg)
172 #define __rte_format_printf(format_index, first_arg) \
173 __attribute__((format(gnu_printf, format_index, first_arg)))
175 #define __rte_format_printf(format_index, first_arg) \
176 __attribute__((format(printf, format_index, first_arg)))
185 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG)
186 #define __rte_alloc_size(...) \
187 __attribute__((alloc_size(__VA_ARGS__)))
189 #define __rte_alloc_size(...)
192 #define RTE_PRIORITY_LOG 101
193 #define RTE_PRIORITY_BUS 110
194 #define RTE_PRIORITY_CLASS 120
195 #define RTE_PRIORITY_LAST 65535
197 #define RTE_PRIO(prio) \
198 RTE_PRIORITY_ ## prio
209 #ifndef RTE_INIT_PRIO
210 #ifndef RTE_TOOLCHAIN_MSVC
211 #define RTE_INIT_PRIO(func, prio) \
212 static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void)
215 typedef int(__cdecl *_PIFV)(void);
217 #define CTOR_SECTION_LOG ".CRT$XIB"
218 #define CTOR_SECTION_BUS ".CRT$XIC"
219 #define CTOR_SECTION_CLASS ".CRT$XID"
220 #define CTOR_SECTION_LAST ".CRT$XIY"
222 #define CTOR_PRIORITY_TO_SECTION(priority) CTOR_SECTION_ ## priority
224 #define RTE_INIT_PRIO(name, priority) \
225 static void name(void); \
226 static int __cdecl name ## _thunk(void) { name(); return 0; } \
227 __pragma(const_seg(CTOR_PRIORITY_TO_SECTION(priority))) \
228 __declspec(allocate(CTOR_PRIORITY_TO_SECTION(priority))) \
229 _PIFV name ## _pointer = &name ## _thunk; \
230 __pragma(const_seg()) \
231 static void name(void)
243 #define RTE_INIT(func) \
244 RTE_INIT_PRIO(func, LAST)
255 #ifndef RTE_FINI_PRIO
256 #ifndef RTE_TOOLCHAIN_MSVC
257 #define RTE_FINI_PRIO(func, prio) \
258 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
260 #define DTOR_SECTION_LOG "mydtor$B"
261 #define DTOR_SECTION_BUS "mydtor$C"
262 #define DTOR_SECTION_CLASS "mydtor$D"
263 #define DTOR_SECTION_LAST "mydtor$Y"
265 #define DTOR_PRIORITY_TO_SECTION(priority) DTOR_SECTION_ ## priority
267 #define RTE_FINI_PRIO(name, priority) \
268 static void name(void); \
269 __pragma(const_seg(DTOR_PRIORITY_TO_SECTION(priority))) \
270 __declspec(allocate(DTOR_PRIORITY_TO_SECTION(priority))) name ## _pointer = &name; \
271 __pragma(const_seg()) \
272 static void name(void)
284 #define RTE_FINI(func) \
285 RTE_FINI_PRIO(func, LAST)
290 #ifdef RTE_TOOLCHAIN_MSVC
291 #define __rte_noreturn
293 #define __rte_noreturn __attribute__((noreturn))
319 #ifdef RTE_TOOLCHAIN_MSVC
320 #define __rte_warn_unused_result
322 #define __rte_warn_unused_result __attribute__((warn_unused_result))
328 #ifdef RTE_TOOLCHAIN_MSVC
329 #define __rte_always_inline
331 #define __rte_always_inline inline __attribute__((always_inline))
337 #define __rte_noinline __attribute__((noinline))
342 #define __rte_hot __attribute__((hot))
347 #ifdef RTE_TOOLCHAIN_MSVC
350 #define __rte_cold __attribute__((cold))
356 #ifdef RTE_MALLOC_ASAN
358 #define __rte_no_asan __attribute__((no_sanitize("address", "hwaddress")))
360 #define __rte_no_asan __attribute__((no_sanitize_address))
363 #define __rte_no_asan
371 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x)))
376 #define RTE_PTR_SUB(ptr, x) ((void *)((uintptr_t)(ptr) - (x)))
383 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2))
388 #define RTE_CAST_FIELD(var, field, type) \
389 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field)))
400 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \
401 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)(ptr), align))
409 #define RTE_ALIGN_FLOOR(val, align) \
410 (typeof(val))((val) & (~((typeof(val))((align) - 1))))
418 #define RTE_PTR_ALIGN_CEIL(ptr, align) \
419 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align)
427 #define RTE_ALIGN_CEIL(val, align) \
428 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align)
437 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align)
446 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align)
453 #define RTE_ALIGN_MUL_CEIL(v, mul) \
454 ((((v) + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul))
461 #define RTE_ALIGN_MUL_FLOOR(v, mul) \
462 (((v) / ((typeof(v))(mul))) * (typeof(v))(mul))
469 #define RTE_ALIGN_MUL_NEAR(v, mul) \
471 typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \
472 typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \
473 (ceil - (v)) > ((v) - floor) ? floor : ceil; \
490 return ((uintptr_t)ptr & (align - 1)) == 0;
498 #define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
503 #define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1)
506 #define RTE_CACHE_LINE_ROUNDUP(size) RTE_ALIGN_CEIL(size, RTE_CACHE_LINE_SIZE)
509 #if RTE_CACHE_LINE_SIZE == 64
510 #define RTE_CACHE_LINE_SIZE_LOG2 6
511 #elif RTE_CACHE_LINE_SIZE == 128
512 #define RTE_CACHE_LINE_SIZE_LOG2 7
514 #error "Unsupported cache line size"
518 #define RTE_CACHE_LINE_MIN_SIZE 64
521 #ifdef RTE_TOOLCHAIN_MSVC
522 #define __rte_cache_aligned
524 #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE)
528 #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE)
530 #define _RTE_CACHE_GUARD_HELPER2(unique) \
531 char cache_guard_ ## unique[RTE_CACHE_LINE_SIZE * RTE_CACHE_GUARD_LINES] \
533 #define _RTE_CACHE_GUARD_HELPER1(unique) _RTE_CACHE_GUARD_HELPER2(unique)
541 #define RTE_CACHE_GUARD _RTE_CACHE_GUARD_HELPER1(__COUNTER__)
547 #define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1)
557 #define RTE_BAD_IOVA ((rte_iova_t)-1)
561 #ifndef RTE_TOOLCHAIN_MSVC
581 #define RTE_MIN(a, b) \
583 typeof (a) _a = (a); \
584 typeof (b) _b = (b); \
591 #define RTE_MAX(a, b) \
593 typeof (a) _a = (a); \
594 typeof (b) _b = (b); \
602 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
620 #ifdef RTE_TOOLCHAIN_MSVC
621 #define container_of(ptr, type, member) \
622 ((type *)((uintptr_t)(ptr) - offsetof(type, member)))
624 #define container_of(ptr, type, member) __extension__ ({ \
625 const typeof(((type *)0)->member) *_ptr = (ptr); \
626 __rte_unused type *_target_ptr = \
628 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \
634 #define RTE_SWAP(a, b) \
651 #define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field))
653 #define _RTE_STR(x) #x
655 #define RTE_STR(x) _RTE_STR(x)
662 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ ""
663 #define RTE_FMT_HEAD(fmt, ...) fmt
664 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__
667 #define RTE_LEN2MASK(ln, tp) \
668 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln))))
671 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0]))
uint64_t rte_str_to_size(const char *str)
__extension__ typedef uint64_t RTE_MARKER64[0]
__extension__ typedef uint8_t RTE_MARKER8[0]
__extension__ typedef uint32_t RTE_MARKER32[0]
__extension__ typedef uint16_t RTE_MARKER16[0]
#define __rte_format_printf(format_index, first_arg)
static int rte_is_aligned(const void *const __rte_restrict ptr, const unsigned int align)
__rte_noreturn void rte_exit(int exit_code, const char *format,...) __rte_format_printf(2
__extension__ typedef void * RTE_MARKER[0]