25 #include <rte_config.h> 28 #define typeof __typeof__ 36 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L 37 #define RTE_STD_C11 __extension__ 43 #ifdef RTE_TOOLCHAIN_GCC 44 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + \ 48 #ifdef RTE_ARCH_STRICT_ALIGN 50 typedef uint32_t unaligned_uint32_t __attribute__ ((aligned(1)));
51 typedef uint16_t unaligned_uint16_t __attribute__ ((aligned(1)));
54 typedef uint32_t unaligned_uint32_t;
55 typedef uint16_t unaligned_uint16_t;
61 #define __rte_aligned(a) __attribute__((__aligned__(a))) 66 #define __rte_packed __attribute__((__packed__)) 69 #define __rte_deprecated __attribute__((__deprecated__)) 74 #define __rte_weak __attribute__((__weak__)) 81 #define __rte_unused __attribute__((__unused__)) 87 #define RTE_SET_USED(x) (void)(x) 89 #define RTE_PRIORITY_LOG 101 90 #define RTE_PRIORITY_BUS 110 91 #define RTE_PRIORITY_CLASS 120 92 #define RTE_PRIORITY_LAST 65535 94 #define RTE_PRIO(prio) \ 106 #define RTE_INIT_PRIO(func, prio) \ 107 static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void) 117 #define RTE_INIT(func) \ 118 RTE_INIT_PRIO(func, LAST) 129 #define RTE_FINI_PRIO(func, prio) \ 130 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void) 140 #define RTE_FINI(func) \ 141 RTE_FINI_PRIO(func, LAST) 146 #define __rte_always_inline inline __attribute__((always_inline)) 151 #define __rte_noinline __attribute__((noinline)) 158 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x))) 163 #define RTE_PTR_SUB(ptr, x) ((void*)((uintptr_t)ptr - (x))) 170 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2)) 175 #define RTE_CAST_FIELD(var, field, type) \ 176 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field))) 187 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \ 188 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)ptr, align)) 196 #define RTE_ALIGN_FLOOR(val, align) \ 197 (typeof(val))((val) & (~((typeof(val))((align) - 1)))) 205 #define RTE_PTR_ALIGN_CEIL(ptr, align) \ 206 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align) 214 #define RTE_ALIGN_CEIL(val, align) \ 215 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align) 224 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align) 233 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align) 240 #define RTE_ALIGN_MUL_CEIL(v, mul) \ 241 ((((v) + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul)) 248 #define RTE_ALIGN_MUL_FLOOR(v, mul) \ 249 (((v) / ((typeof(v))(mul))) * (typeof(v))(mul)) 273 #define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 285 static inline uint32_t
307 static inline uint64_t
325 #define RTE_IS_POWER_OF_2(n) ((n) && !(((n) - 1) & (n))) 336 return n && !(n & (n - 1));
348 static inline uint32_t
366 static inline uint32_t
383 static inline uint64_t
401 static inline uint64_t
414 #define RTE_MIN(a, b) \ 416 typeof (a) _a = (a); \ 417 typeof (b) _b = (b); \ 424 #define RTE_MAX(a, b) \ 426 typeof (a) _a = (a); \ 427 typeof (b) _b = (b); \ 444 static inline uint32_t
447 return (uint32_t)__builtin_ctz(v);
458 static inline uint32_t
482 return (x == 0) ? 0 : 32 - __builtin_clz(x);
505 *pos = __builtin_ctzll(v);
511 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) 529 #define container_of(ptr, type, member) __extension__ ({ \ 530 const typeof(((type *)0)->member) *_ptr = (ptr); \ 531 __attribute__((unused)) type *_target_ptr = \ 533 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \ 537 #define _RTE_STR(x) #x 539 #define RTE_STR(x) _RTE_STR(x) 546 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ "" 547 #define RTE_FMT_HEAD(fmt, ...) fmt 548 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__ 551 #define RTE_LEN2MASK(ln, tp) \ 552 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln)))) 555 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0])) 571 static inline uint64_t
575 unsigned long long size;
577 while (isspace((
int)*str))
583 size = strtoull(str, &endptr, 0);
591 case 'G':
case 'g': size *= 1024;
592 case 'M':
case 'm': size *= 1024;
593 case 'K':
case 'k': size *= 1024;
614 rte_exit(
int exit_code,
const char *format, ...)
615 __attribute__((noreturn))
616 __attribute__((format(printf, 2, 3)));
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_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_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)
uint64_t unaligned_uint64_t
#define RTE_PTR_ALIGN(ptr, align)
static int rte_is_power_of_2(uint32_t n)
void rte_exit(int exit_code, const char *format,...)
static uint32_t rte_align32prevpow2(uint32_t x)
static uint64_t rte_str_to_size(const char *str)