| Path : /usr/include/linux/ |
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| Current File : //usr/include/linux/coresight-stm.h |
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __UAPI_CORESIGHT_STM_H_
#define __UAPI_CORESIGHT_STM_H_
#include <linux/const.h>
#define STM_FLAG_TIMESTAMPED _BITUL(3)
#define STM_FLAG_MARKED _BITUL(4)
#define STM_FLAG_GUARANTEED _BITUL(7)
/*
* The CoreSight STM supports guaranteed and invariant timing
* transactions. Guaranteed transactions are guaranteed to be
* traced, this might involve stalling the bus or system to
* ensure the transaction is accepted by the STM. While invariant
* timing transactions are not guaranteed to be traced, they
* will take an invariant amount of time regardless of the
* state of the STM.
*/
enum {
STM_OPTION_GUARANTEED = 0,
STM_OPTION_INVARIANT,
};
#endif