include/uapi/linux/coresight-stm.h

   1 #ifndef __UAPI_CORESIGHT_STM_H_
   2 #define __UAPI_CORESIGHT_STM_H_
   3
   4 #define STM_FLAG_TIMESTAMPED   BIT(3)
   5 #define STM_FLAG_GUARANTEED    BIT(7)
   6
   7 /*
   8  * The CoreSight STM supports guaranteed and invariant timing
   9  * transactions.  Guaranteed transactions are guaranteed to be
  10  * traced, this might involve stalling the bus or system to
  11  * ensure the transaction is accepted by the STM.  While invariant
  12  * timing transactions are not guaranteed to be traced, they
  13  * will take an invariant amount of time regardless of the
  14  * state of the STM.
  15  */
  16 enum {
  17         STM_OPTION_GUARANTEED = 0,
  18         STM_OPTION_INVARIANT,
  19 };
  20
  21 #endif