25 #include <rte_config.h> 31 #define typeof __typeof__ 39 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L 40 #define RTE_STD_C11 __extension__ 46 #ifdef RTE_TOOLCHAIN_GCC 47 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + \ 51 #ifdef RTE_ARCH_STRICT_ALIGN 53 typedef uint32_t unaligned_uint32_t __attribute__ ((aligned(1)));
54 typedef uint16_t unaligned_uint16_t __attribute__ ((aligned(1)));
57 typedef uint32_t unaligned_uint32_t;
58 typedef uint16_t unaligned_uint16_t;
64 #define __rte_aligned(a) __attribute__((__aligned__(a))) 69 #define __rte_packed __attribute__((__packed__)) 72 #define __rte_deprecated __attribute__((__deprecated__)) 77 #define __rte_weak __attribute__((__weak__)) 84 #define __rte_unused __attribute__((__unused__)) 90 #define RTE_SET_USED(x) (void)(x) 92 #define RTE_PRIORITY_LOG 101 93 #define RTE_PRIORITY_BUS 110 94 #define RTE_PRIORITY_CLASS 120 95 #define RTE_PRIORITY_LAST 65535 97 #define RTE_PRIO(prio) \ 109 #ifndef RTE_INIT_PRIO 110 #if defined(__x86_64__) || defined(__i386__) 111 #define RTE_INIT_PRIO(func, prio) \ 113 __attribute__((constructor(RTE_PRIO(prio)), used)) \ 114 __attribute__((target ("sse2"))) \ 115 __attribute__((target ("no-sse3"))) \ 116 __attribute__((target ("no-sse4"))) \ 119 #define RTE_INIT_PRIO(func, prio) \ 121 __attribute__((constructor(RTE_PRIO(prio)), used)) \ 134 #define RTE_INIT(func) \ 135 RTE_INIT_PRIO(func, LAST) 146 #ifndef RTE_FINI_PRIO 147 #define RTE_FINI_PRIO(func, prio) \ 148 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void) 159 #define RTE_FINI(func) \ 160 RTE_FINI_PRIO(func, LAST) 165 #define __rte_always_inline inline __attribute__((always_inline)) 170 #define __rte_noinline __attribute__((noinline)) 177 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x))) 182 #define RTE_PTR_SUB(ptr, x) ((void*)((uintptr_t)ptr - (x))) 189 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2)) 194 #define RTE_CAST_FIELD(var, field, type) \ 195 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field))) 206 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \ 207 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)ptr, align)) 215 #define RTE_ALIGN_FLOOR(val, align) \ 216 (typeof(val))((val) & (~((typeof(val))((align) - 1)))) 224 #define RTE_PTR_ALIGN_CEIL(ptr, align) \ 225 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align) 233 #define RTE_ALIGN_CEIL(val, align) \ 234 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align) 243 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align) 252 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align) 259 #define RTE_ALIGN_MUL_CEIL(v, mul) \ 260 (((v + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul)) 267 #define RTE_ALIGN_MUL_FLOOR(v, mul) \ 268 ((v / ((typeof(v))(mul))) * (typeof(v))(mul)) 275 #define RTE_ALIGN_MUL_NEAR(v, mul) \ 277 typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \ 278 typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \ 279 (ceil - v) > (v - floor) ? floor : ceil; \ 304 #define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 309 #define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1) 312 #define RTE_CACHE_LINE_ROUNDUP(size) \ 313 (RTE_CACHE_LINE_SIZE * ((size + RTE_CACHE_LINE_SIZE - 1) / \ 314 RTE_CACHE_LINE_SIZE)) 317 #if RTE_CACHE_LINE_SIZE == 64 318 #define RTE_CACHE_LINE_SIZE_LOG2 6 319 #elif RTE_CACHE_LINE_SIZE == 128 320 #define RTE_CACHE_LINE_SIZE_LOG2 7 322 #error "Unsupported cache line size" 326 #define RTE_CACHE_LINE_MIN_SIZE 64 329 #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE) 332 #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE) 338 #define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1) 348 #define RTE_BAD_IOVA ((rte_iova_t)-1) 361 static inline uint32_t
383 static inline uint64_t
401 #define RTE_IS_POWER_OF_2(n) ((n) && !(((n) - 1) & (n))) 412 return n && !(n & (n - 1));
424 static inline uint32_t
442 static inline uint32_t
459 static inline uint64_t
477 static inline uint64_t
490 #define RTE_MIN(a, b) \ 492 typeof (a) _a = (a); \ 493 typeof (b) _b = (b); \ 500 #define RTE_MAX(a, b) \ 502 typeof (a) _a = (a); \ 503 typeof (b) _b = (b); \ 520 static inline uint32_t
523 return (uint32_t)__builtin_ctz(v);
561 static inline uint32_t
585 return (x == 0) ? 0 : 32 - __builtin_clz(x);
602 return (uint32_t)__builtin_ctzll(v);
644 return (x == 0) ? 0 : 64 - __builtin_clzll(x);
658 static inline uint32_t
670 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) 688 #define container_of(ptr, type, member) __extension__ ({ \ 689 const typeof(((type *)0)->member) *_ptr = (ptr); \ 690 __attribute__((unused)) type *_target_ptr = \ 692 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \ 706 #define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field)) 708 #define _RTE_STR(x) #x 710 #define RTE_STR(x) _RTE_STR(x) 717 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ "" 718 #define RTE_FMT_HEAD(fmt, ...) fmt 719 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__ 722 #define RTE_LEN2MASK(ln, tp) \ 723 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln)))) 726 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0])) 742 static inline uint64_t
746 unsigned long long size;
748 while (isspace((
int)*str))
754 size = strtoull(str, &endptr, 0);
762 case 'G':
case 'g': size *= 1024;
763 case 'M':
case 'm': size *= 1024;
764 case 'K':
case 'k': size *= 1024;
785 rte_exit(
int exit_code,
const char *format, ...)
786 __attribute__((noreturn))
787 __attribute__((format(printf, 2, 3)));
static int rte_is_aligned(void *ptr, unsigned align)
static int rte_bsf32_safe(uint64_t v, uint32_t *pos)
static int rte_fls_u32(uint32_t x)
static uint32_t rte_log2_u64(uint64_t v)
static uint64_t rte_combine64ms1b(register uint64_t v)
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
static int rte_fls_u64(uint64_t x)
#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 int rte_bsf64(uint64_t v)
static uint32_t rte_align32prevpow2(uint32_t x)
static uint64_t rte_str_to_size(const char *str)
static uint32_t rte_combine32ms1b(register uint32_t x)