[linux.git] / include / uapi / linux / coresight-stm.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __UAPI_CORESIGHT_STM_H_
#define __UAPI_CORESIGHT_STM_H_

#define STM_FLAG_TIMESTAMPED   BIT(3)
#define STM_FLAG_GUARANTEED    BIT(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
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
237483aa PP	2	#ifndef __UAPI_CORESIGHT_STM_H_
	3	#define __UAPI_CORESIGHT_STM_H_
	4
	5	#define STM_FLAG_TIMESTAMPED BIT(3)
	6	#define STM_FLAG_GUARANTEED BIT(7)
	7
	8	/*
	9	* The CoreSight STM supports guaranteed and invariant timing
	10	* transactions. Guaranteed transactions are guaranteed to be
	11	* traced, this might involve stalling the bus or system to
	12	* ensure the transaction is accepted by the STM. While invariant
	13	* timing transactions are not guaranteed to be traced, they
	14	* will take an invariant amount of time regardless of the
	15	* state of the STM.
	16	*/
	17	enum {
	18	STM_OPTION_GUARANTEED = 0,
	19	STM_OPTION_INVARIANT,
	20	};
	21
	22	#endif