ceph/src/spdk/dpdk/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015 Cavium, Inc
   3  */
   4
   5 #ifndef _RTE_ATOMIC_ARM64_H_
   6 #define _RTE_ATOMIC_ARM64_H_
   7
   8 #ifndef RTE_FORCE_INTRINSICS
   9 #  error Platform must be built with CONFIG_RTE_FORCE_INTRINSICS
  10 #endif
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  15
  16 #include "generic/rte_atomic.h"
  17
  18 #define dsb(opt) asm volatile("dsb " #opt : : : "memory")
  19 #define dmb(opt) asm volatile("dmb " #opt : : : "memory")
  20
  21 #define rte_mb() dsb(sy)
  22
  23 #define rte_wmb() dsb(st)
  24
  25 #define rte_rmb() dsb(ld)
  26
  27 #define rte_smp_mb() dmb(ish)
  28
  29 #define rte_smp_wmb() dmb(ishst)
  30
  31 #define rte_smp_rmb() dmb(ishld)
  32
  33 #define rte_io_mb() rte_mb()
  34
  35 #define rte_io_wmb() rte_wmb()
  36
  37 #define rte_io_rmb() rte_rmb()
  38
  39 #define rte_cio_wmb() dmb(oshst)
  40
  41 #define rte_cio_rmb() dmb(oshld)
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif /* _RTE_ATOMIC_ARM64_H_ */