1 /* SPDX-License-Identifier: BSD-3-Clause 2 * 3 * Copyright (c) 2008-2016 Freescale Semiconductor, Inc. 4 * Copyright 2017 NXP 5 * 6 */ 7 8 #ifndef HEADER_COMPAT_H 9 #define HEADER_COMPAT_H 10 11 #ifndef _GNU_SOURCE 12 #define _GNU_SOURCE 13 #endif 14 #include <stdio.h> 15 #include <stdint.h> 16 #include <stdlib.h> 17 #include <errno.h> 18 #include <string.h> 19 #include <malloc.h> 20 #include <unistd.h> 21 #include <linux/types.h> 22 #include <rte_atomic.h> 23 24 /* The following definitions are primarily to allow the single-source driver 25 * interfaces to be included by arbitrary program code. Ie. for interfaces that 26 * are also available in kernel-space, these definitions provide compatibility 27 * with certain attributes and types used in those interfaces. 28 */ 29 30 /* Required compiler attributes */ 31 #define likely(x) __builtin_expect(!!(x), 1) 32 #define unlikely(x) __builtin_expect(!!(x), 0) 33 34 /* Required types */ 35 typedef uint64_t dma_addr_t; 36 37 /* Debugging */ 38 #define prflush(fmt, args...) \ 39 do { \ 40 printf(fmt, ##args); \ 41 fflush(stdout); \ 42 } while (0) 43 #define pr_crit(fmt, args...) prflush("CRIT:" fmt, ##args) 44 #define pr_err(fmt, args...) prflush("ERR:" fmt, ##args) 45 #define pr_warn(fmt, args...) prflush("WARN:" fmt, ##args) 46 #define pr_info(fmt, args...) prflush(fmt, ##args) 47 48 #ifdef RTE_LIBRTE_DPAA2_DEBUG_BUS 49 50 /* Trace the 3 different classes of read/write access to QBMan. #undef as 51 * required. 52 */ 53 #define QBMAN_CCSR_TRACE 54 #define QBMAN_CINH_TRACE 55 #define QBMAN_CENA_TRACE 56 57 #define QBMAN_CHECKING 58 59 #ifdef pr_debug 60 #undef pr_debug 61 #endif 62 #define pr_debug(fmt, args...) printf(fmt, ##args) 63 #define QBMAN_BUG_ON(c) \ 64 do { \ 65 static int warned_##__LINE__; \ 66 if ((c) && !warned_##__LINE__) { \ 67 pr_warn("(%s:%d)\n", __FILE__, __LINE__); \ 68 warned_##__LINE__ = 1; \ 69 } \ 70 } while (0) 71 #else 72 #define QBMAN_BUG_ON(c) {} 73 #define pr_debug(fmt, args...) {} 74 #endif 75 76 /* Other miscellaneous interfaces our APIs depend on; */ 77 78 #define lower_32_bits(x) ((uint32_t)(x)) 79 #define upper_32_bits(x) ((uint32_t)(((x) >> 16) >> 16)) 80 81 #define __iomem 82 83 #define __raw_readb(p) (*(const volatile unsigned char *)(p)) 84 #define __raw_readl(p) (*(const volatile unsigned int *)(p)) 85 #define __raw_writel(v, p) {*(volatile unsigned int *)(p) = (v); } 86 87 #define dma_wmb() rte_smp_mb() 88 89 #define atomic_t rte_atomic32_t 90 #define atomic_read(v) rte_atomic32_read(v) 91 #define atomic_set(v, i) rte_atomic32_set(v, i) 92 93 #define atomic_inc(v) rte_atomic32_add(v, 1) 94 #define atomic_dec(v) rte_atomic32_sub(v, 1) 95 96 #define atomic_inc_and_test(v) rte_atomic32_inc_and_test(v) 97 #define atomic_dec_and_test(v) rte_atomic32_dec_and_test(v) 98 99 #define atomic_inc_return(v) rte_atomic32_add_return(v, 1) 100 #define atomic_dec_return(v) rte_atomic32_sub_return(v, 1) 101 #define atomic_sub_and_test(i, v) (rte_atomic32_sub_return(v, i) == 0) 102 103 #endif /* HEADER_COMPAT_H */ 104