ceph/src/spdk/dpdk/drivers/bus/fslmc/qbman/include/compat.h

   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 <stdint.h>
  15 #include <stdlib.h>
  16 #include <errno.h>
  17 #include <string.h>
  18 #include <malloc.h>
  19 #include <unistd.h>
  20 #include <error.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
  82 #define __iomem
  83
  84 #define __raw_readb(p)  (*(const volatile unsigned char *)(p))
  85 #define __raw_readl(p)  (*(const volatile unsigned int *)(p))
  86 #define __raw_writel(v, p) {*(volatile unsigned int *)(p) = (v); }
  87
  88 #define atomic_t                rte_atomic32_t
  89 #define atomic_read(v)          rte_atomic32_read(v)
  90 #define atomic_set(v, i)        rte_atomic32_set(v, i)
  91
  92 #define atomic_inc(v)           rte_atomic32_add(v, 1)
  93 #define atomic_dec(v)           rte_atomic32_sub(v, 1)
  94
  95 #define atomic_inc_and_test(v)  rte_atomic32_inc_and_test(v)
  96 #define atomic_dec_and_test(v)  rte_atomic32_dec_and_test(v)
  97
  98 #define atomic_inc_return(v)    rte_atomic32_add_return(v, 1)
  99 #define atomic_dec_return(v)    rte_atomic32_sub_return(v, 1)
 100 #define atomic_sub_and_test(i, v) (rte_atomic32_sub_return(v, i) == 0)
 101
 102 #endif /* HEADER_COMPAT_H */