lib/librte_eal/common/include/arch/arm/rte_spinlock.h

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015 RehiveTech. All rights reserved.
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   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of RehiveTech nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
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  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _RTE_SPINLOCK_ARM_H_
  34 #define _RTE_SPINLOCK_ARM_H_
  35
  36 #ifndef RTE_FORCE_INTRINSICS
  37 #  error Platform must be built with CONFIG_RTE_FORCE_INTRINSICS
  38 #endif
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 #include <rte_common.h>
  45 #include "generic/rte_spinlock.h"
  46
  47 static inline int rte_tm_supported(void)
  48 {
  49         return 0;
  50 }
  51
  52 static inline void
  53 rte_spinlock_lock_tm(rte_spinlock_t *sl)
  54 {
  55         rte_spinlock_lock(sl); /* fall-back */
  56 }
  57
  58 static inline int
  59 rte_spinlock_trylock_tm(rte_spinlock_t *sl)
  60 {
  61         return rte_spinlock_trylock(sl);
  62 }
  63
  64 static inline void
  65 rte_spinlock_unlock_tm(rte_spinlock_t *sl)
  66 {
  67         rte_spinlock_unlock(sl);
  68 }
  69
  70 static inline void
  71 rte_spinlock_recursive_lock_tm(rte_spinlock_recursive_t *slr)
  72 {
  73         rte_spinlock_recursive_lock(slr); /* fall-back */
  74 }
  75
  76 static inline void
  77 rte_spinlock_recursive_unlock_tm(rte_spinlock_recursive_t *slr)
  78 {
  79         rte_spinlock_recursive_unlock(slr);
  80 }
  81
  82 static inline int
  83 rte_spinlock_recursive_trylock_tm(rte_spinlock_recursive_t *slr)
  84 {
  85         return rte_spinlock_recursive_trylock(slr);
  86 }
  87
  88 #ifdef __cplusplus
  89 }
  90 #endif
  91
  92 #endif /* _RTE_SPINLOCK_ARM_H_ */