25 #include <rte_config.h>
31 #define typeof __typeof__
41 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L
42 #define RTE_STD_C11 __extension__
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 + \
71 #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 #define __rte_packed __attribute__((__packed__))
91 #define __rte_may_alias __attribute__((__may_alias__))
94 #define __rte_deprecated __attribute__((__deprecated__))
95 #define __rte_deprecated_msg(msg) __attribute__((__deprecated__(msg)))
100 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG)
101 #define RTE_PRAGMA(x) _Pragma(#x)
102 #define RTE_PRAGMA_WARNING(w) RTE_PRAGMA(GCC warning #w)
103 #define RTE_DEPRECATED(x) RTE_PRAGMA_WARNING(#x is deprecated)
105 #define RTE_DEPRECATED(x)
111 #define __rte_weak __attribute__((__weak__))
116 #define __rte_used __attribute__((used))
123 #define __rte_unused __attribute__((__unused__))
128 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L
129 #define __rte_restrict __restrict
131 #define __rte_restrict restrict
138 #define RTE_SET_USED(x) (void)(x)
148 #define __rte_format_printf(format_index, first_arg) \
149 __attribute__((format(gnu_printf, format_index, first_arg)))
151 #define __rte_format_printf(format_index, first_arg) \
152 __attribute__((format(printf, format_index, first_arg)))
160 #if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG)
161 #define __rte_alloc_size(...) \
162 __attribute__((alloc_size(__VA_ARGS__)))
164 #define __rte_alloc_size(...)
167 #define RTE_PRIORITY_LOG 101
168 #define RTE_PRIORITY_BUS 110
169 #define RTE_PRIORITY_CLASS 120
170 #define RTE_PRIORITY_LAST 65535
172 #define RTE_PRIO(prio) \
173 RTE_PRIORITY_ ## prio
184 #ifndef RTE_INIT_PRIO
185 #define RTE_INIT_PRIO(func, prio) \
186 static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void)
197 #define RTE_INIT(func) \
198 RTE_INIT_PRIO(func, LAST)
209 #ifndef RTE_FINI_PRIO
210 #define RTE_FINI_PRIO(func, prio) \
211 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
222 #define RTE_FINI(func) \
223 RTE_FINI_PRIO(func, LAST)
228 #define __rte_noreturn __attribute__((noreturn))
233 #define __rte_always_inline inline __attribute__((always_inline))
238 #define __rte_noinline __attribute__((noinline))
243 #define __rte_hot __attribute__((hot))
248 #define __rte_cold __attribute__((cold))
253 #ifdef RTE_MALLOC_ASAN
255 #define __rte_no_asan __attribute__((no_sanitize("address", "hwaddress")))
257 #define __rte_no_asan __attribute__((no_sanitize_address))
260 #define __rte_no_asan
268 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x)))
273 #define RTE_PTR_SUB(ptr, x) ((void*)((uintptr_t)ptr - (x)))
280 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2))
285 #define RTE_CAST_FIELD(var, field, type) \
286 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field)))
297 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \
298 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)ptr, align))
306 #define RTE_ALIGN_FLOOR(val, align) \
307 (typeof(val))((val) & (~((typeof(val))((align) - 1))))
315 #define RTE_PTR_ALIGN_CEIL(ptr, align) \
316 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align)
324 #define RTE_ALIGN_CEIL(val, align) \
325 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align)
334 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align)
343 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align)
350 #define RTE_ALIGN_MUL_CEIL(v, mul) \
351 ((((v) + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul))
358 #define RTE_ALIGN_MUL_FLOOR(v, mul) \
359 (((v) / ((typeof(v))(mul))) * (typeof(v))(mul))
366 #define RTE_ALIGN_MUL_NEAR(v, mul) \
368 typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \
369 typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \
370 (ceil - (v)) > ((v) - floor) ? floor : ceil; \
395 #define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
400 #define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1)
403 #define RTE_CACHE_LINE_ROUNDUP(size) \
404 (RTE_CACHE_LINE_SIZE * ((size + RTE_CACHE_LINE_SIZE - 1) / \
405 RTE_CACHE_LINE_SIZE))
408 #if RTE_CACHE_LINE_SIZE == 64
409 #define RTE_CACHE_LINE_SIZE_LOG2 6
410 #elif RTE_CACHE_LINE_SIZE == 128
411 #define RTE_CACHE_LINE_SIZE_LOG2 7
413 #error "Unsupported cache line size"
417 #define RTE_CACHE_LINE_MIN_SIZE 64
420 #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE)
423 #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE)
429 #define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1)
439 #define RTE_BAD_IOVA ((rte_iova_t)-1)
464 static inline uint32_t
486 static inline uint64_t
504 #define RTE_IS_POWER_OF_2(n) ((n) && !(((n) - 1) & (n)))
515 return n && !(n & (n - 1));
527 static inline uint32_t
545 static inline uint32_t
562 static inline uint64_t
580 static inline uint64_t
593 #define RTE_MIN(a, b) \
595 typeof (a) _a = (a); \
596 typeof (b) _b = (b); \
603 #define RTE_MAX(a, b) \
605 typeof (a) _a = (a); \
606 typeof (b) _b = (b); \
623 static inline uint32_t
626 return (uint32_t)__builtin_ctz(v);
664 static inline uint32_t
688 return (x == 0) ? 0 : 32 - __builtin_clz(x);
705 return (uint32_t)__builtin_ctzll(v);
747 return (x == 0) ? 0 : 64 - __builtin_clzll(x);
761 static inline uint32_t
773 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
791 #define container_of(ptr, type, member) __extension__ ({ \
792 const typeof(((type *)0)->member) *_ptr = (ptr); \
793 __rte_unused type *_target_ptr = \
795 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \
800 #define RTE_SWAP(a, b) \
817 #define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field))
819 #define _RTE_STR(x) #x
821 #define RTE_STR(x) _RTE_STR(x)
828 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ ""
829 #define RTE_FMT_HEAD(fmt, ...) fmt
830 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__
833 #define RTE_LEN2MASK(ln, tp) \
834 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln))))
837 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0]))
853 static inline uint64_t
857 unsigned long long size;
859 while (isspace((
int)*str))
865 size = strtoull(str, &endptr, 0);
873 case 'G':
case 'g': size *= 1024;
874 case 'M':
case 'm': size *= 1024;
875 case 'K':
case 'k': size *= 1024;
896 rte_exit(
int exit_code,
const char *format, ...)
static int rte_is_aligned(void *ptr, unsigned align)
static uint64_t rte_combine64ms1b(uint64_t v)
static int rte_fls_u32(uint32_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)
__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_align32pow2(uint32_t x)
static int rte_bsf64_safe(uint64_t v, uint32_t *pos)
__extension__ typedef uint64_t RTE_MARKER64[0]
#define __rte_format_printf(format_index, first_arg)
static int rte_fls_u64(uint64_t x)
static int rte_bsf32_safe(uint32_t v, uint32_t *pos)
#define RTE_PTR_ALIGN(ptr, align)
static int rte_is_power_of_2(uint32_t n)
__extension__ typedef uint16_t RTE_MARKER16[0]
static int rte_bsf64(uint64_t v)
__extension__ typedef uint32_t RTE_MARKER32[0]
static uint32_t rte_align32prevpow2(uint32_t x)
static uint64_t rte_str_to_size(const char *str)
__rte_noreturn void rte_exit(int exit_code, const char *format,...) __rte_format_printf(2