1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * 3 * Copyright 2013-2016 Freescale Semiconductor Inc. 4 * Copyright 2016 NXP 5 * 6 */ 7 8 #ifndef __RTA_COMPAT_H__ 9 #define __RTA_COMPAT_H__ 10 11 #include <stdint.h> 12 #include <errno.h> 13 14 #ifdef RTE_EXEC_ENV_LINUX 15 #include <string.h> 16 #include <stdlib.h> 17 #include <stdio.h> 18 #include <stdbool.h> 19 20 #include <rte_byteorder.h> 21 #include <rte_common.h> 22 23 #include "dpaax_logs.h" 24 25 #ifndef __BYTE_ORDER__ 26 #error "Undefined endianness" 27 #endif 28 29 #else /* !RTE_EXEC_ENV_LINUX */ 30 #error Environment not supported! 31 #endif 32 33 #ifndef __always_inline 34 #define __always_inline __rte_always_inline 35 #endif 36 37 #ifndef __always_unused 38 #define __always_unused __rte_unused 39 #endif 40 41 #ifndef __maybe_unused 42 #define __maybe_unused __rte_unused 43 #endif 44 45 #if defined(SUPPRESS_PRINTS) 46 #define pr_msg(l, fmt, ...) do { } while (0) 47 #else 48 #define pr_msg(l, fmt, ...) \ 49 RTE_LOG(l, DPAAX_LOGGER, "%s(): " fmt "\n", __func__, ##__VA_ARGS__) 50 #endif 51 52 #if !defined(pr_debug) 53 #if defined(RTA_DEBUG) 54 #define pr_debug(fmt, ...) pr_msg(DEBUG, fmt, ##__VA_ARGS__) 55 #else 56 #define pr_debug(fmt, ...) do { } while (0) 57 #endif 58 #endif /* pr_debug */ 59 60 #if !defined(pr_err) 61 #define pr_err(fmt, ...) pr_msg(ERR, fmt, ##__VA_ARGS__) 62 #endif /* pr_err */ 63 64 #if !defined(pr_warn) 65 #define pr_warn(fmt, ...) pr_msg(WARNING, fmt, ##__VA_ARGS__) 66 #endif /* pr_warn */ 67 68 /** 69 * ARRAY_SIZE - returns the number of elements in an array 70 * @x: array 71 */ 72 #ifndef ARRAY_SIZE 73 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 74 #endif 75 76 #ifndef ALIGN 77 #define ALIGN(x, a) (((x) + ((__typeof__(x))(a) - 1)) & \ 78 ~((__typeof__(x))(a) - 1)) 79 #endif 80 81 #ifndef BIT 82 #define BIT(nr) (1UL << (nr)) 83 #endif 84 85 #ifndef upper_32_bits 86 /** 87 * upper_32_bits - return bits 32-63 of a number 88 * @n: the number we're accessing 89 */ 90 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16)) 91 #endif 92 93 #ifndef lower_32_bits 94 /** 95 * lower_32_bits - return bits 0-31 of a number 96 * @n: the number we're accessing 97 */ 98 #define lower_32_bits(n) ((uint32_t)(n)) 99 #endif 100 101 /* Use Linux naming convention */ 102 #if defined(RTE_EXEC_ENV_LINUX) || defined(__GLIBC__) 103 #define swab16(x) rte_bswap16(x) 104 #define swab32(x) rte_bswap32(x) 105 #define swab64(x) rte_bswap64(x) 106 /* Define cpu_to_be32 macro if not defined in the build environment */ 107 #if !defined(cpu_to_be32) 108 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 109 #define cpu_to_be32(x) (x) 110 #else 111 #define cpu_to_be32(x) swab32(x) 112 #endif 113 #endif 114 /* Define cpu_to_le32 macro if not defined in the build environment */ 115 #if !defined(cpu_to_le32) 116 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 117 #define cpu_to_le32(x) swab32(x) 118 #else 119 #define cpu_to_le32(x) (x) 120 #endif 121 #endif 122 #endif 123 124 #endif /* __RTA_COMPAT_H__ */ 125