25 #include <rte_config.h>
31 #define typeof __typeof__
39 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L
40 #define RTE_STD_C11 __extension__
51 #define RTE_CC_IS_GNU 0
54 #elif defined __INTEL_COMPILER
56 #elif defined __GNUC__
59 #define RTE_CC_IS_GNU 1
62 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + \
66 #ifdef RTE_ARCH_STRICT_ALIGN
71 typedef uint64_t unaligned_uint64_t;
72 typedef uint32_t unaligned_uint32_t;
73 typedef uint16_t unaligned_uint16_t;
79 #define __rte_aligned(a) __attribute__((__aligned__(a)))
84 #define __rte_packed __attribute__((__packed__))
87 #define __rte_deprecated __attribute__((__deprecated__))
92 #define __rte_weak __attribute__((__weak__))
97 #define __rte_used __attribute__((used))
104 #define __rte_unused __attribute__((__unused__))
110 #define RTE_SET_USED(x) (void)(x)
112 #define RTE_PRIORITY_LOG 101
113 #define RTE_PRIORITY_BUS 110
114 #define RTE_PRIORITY_CLASS 120
115 #define RTE_PRIORITY_LAST 65535
117 #define RTE_PRIO(prio) \
118 RTE_PRIORITY_ ## prio
129 #ifndef RTE_INIT_PRIO
130 #define RTE_INIT_PRIO(func, prio) \
131 static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void)
142 #define RTE_INIT(func) \
143 RTE_INIT_PRIO(func, LAST)
154 #ifndef RTE_FINI_PRIO
155 #define RTE_FINI_PRIO(func, prio) \
156 static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
167 #define RTE_FINI(func) \
168 RTE_FINI_PRIO(func, LAST)
173 #define __rte_always_inline inline __attribute__((always_inline))
178 #define __rte_noinline __attribute__((noinline))
183 #define __rte_hot __attribute__((hot))
188 #define __rte_cold __attribute__((cold))
195 #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x)))
200 #define RTE_PTR_SUB(ptr, x) ((void*)((uintptr_t)ptr - (x)))
207 #define RTE_PTR_DIFF(ptr1, ptr2) ((uintptr_t)(ptr1) - (uintptr_t)(ptr2))
212 #define RTE_CAST_FIELD(var, field, type) \
213 (*(type *)((uintptr_t)(var) + offsetof(typeof(*(var)), field)))
224 #define RTE_PTR_ALIGN_FLOOR(ptr, align) \
225 ((typeof(ptr))RTE_ALIGN_FLOOR((uintptr_t)ptr, align))
233 #define RTE_ALIGN_FLOOR(val, align) \
234 (typeof(val))((val) & (~((typeof(val))((align) - 1))))
242 #define RTE_PTR_ALIGN_CEIL(ptr, align) \
243 RTE_PTR_ALIGN_FLOOR((typeof(ptr))RTE_PTR_ADD(ptr, (align) - 1), align)
251 #define RTE_ALIGN_CEIL(val, align) \
252 RTE_ALIGN_FLOOR(((val) + ((typeof(val)) (align) - 1)), align)
261 #define RTE_PTR_ALIGN(ptr, align) RTE_PTR_ALIGN_CEIL(ptr, align)
270 #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align)
277 #define RTE_ALIGN_MUL_CEIL(v, mul) \
278 (((v + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul))
285 #define RTE_ALIGN_MUL_FLOOR(v, mul) \
286 ((v / ((typeof(v))(mul))) * (typeof(v))(mul))
293 #define RTE_ALIGN_MUL_NEAR(v, mul) \
295 typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \
296 typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \
297 (ceil - v) > (v - floor) ? floor : ceil; \
322 #define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
327 #define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1)
330 #define RTE_CACHE_LINE_ROUNDUP(size) \
331 (RTE_CACHE_LINE_SIZE * ((size + RTE_CACHE_LINE_SIZE - 1) / \
332 RTE_CACHE_LINE_SIZE))
335 #if RTE_CACHE_LINE_SIZE == 64
336 #define RTE_CACHE_LINE_SIZE_LOG2 6
337 #elif RTE_CACHE_LINE_SIZE == 128
338 #define RTE_CACHE_LINE_SIZE_LOG2 7
340 #error "Unsupported cache line size"
344 #define RTE_CACHE_LINE_MIN_SIZE 64
347 #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE)
350 #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE)
356 #define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1)
366 #define RTE_BAD_IOVA ((rte_iova_t)-1)
379 static inline uint32_t
401 static inline uint64_t
419 #define RTE_IS_POWER_OF_2(n) ((n) && !(((n) - 1) & (n)))
430 return n && !(n & (n - 1));
442 static inline uint32_t
460 static inline uint32_t
477 static inline uint64_t
495 static inline uint64_t
508 #define RTE_MIN(a, b) \
510 typeof (a) _a = (a); \
511 typeof (b) _b = (b); \
518 #define RTE_MAX(a, b) \
520 typeof (a) _a = (a); \
521 typeof (b) _b = (b); \
538 static inline uint32_t
541 return (uint32_t)__builtin_ctz(v);
579 static inline uint32_t
603 return (x == 0) ? 0 : 32 - __builtin_clz(x);
620 return (uint32_t)__builtin_ctzll(v);
662 return (x == 0) ? 0 : 64 - __builtin_clzll(x);
676 static inline uint32_t
688 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
706 #define container_of(ptr, type, member) __extension__ ({ \
707 const typeof(((type *)0)->member) *_ptr = (ptr); \
708 __attribute__((unused)) type *_target_ptr = \
710 (type *)(((uintptr_t)_ptr) - offsetof(type, member)); \
724 #define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field))
726 #define _RTE_STR(x) #x
728 #define RTE_STR(x) _RTE_STR(x)
735 #define RTE_FMT(fmt, ...) fmt "%.0s", __VA_ARGS__ ""
736 #define RTE_FMT_HEAD(fmt, ...) fmt
737 #define RTE_FMT_TAIL(fmt, ...) __VA_ARGS__
740 #define RTE_LEN2MASK(ln, tp) \
741 ((tp)((uint64_t)-1 >> (sizeof(uint64_t) * CHAR_BIT - (ln))))
744 #define RTE_DIM(a) (sizeof (a) / sizeof ((a)[0]))
760 static inline uint64_t
764 unsigned long long size;
766 while (isspace((
int)*str))
772 size = strtoull(str, &endptr, 0);
780 case 'G':
case 'g': size *= 1024;
781 case 'M':
case 'm': size *= 1024;
782 case 'K':
case 'k': size *= 1024;
803 rte_exit(
int exit_code,
const char *format, ...)
804 __attribute__((noreturn))
805 __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)
static int rte_fls_u64(uint64_t x)
#define RTE_PTR_ALIGN(ptr, align)
static int rte_is_power_of_2(uint32_t n)
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)