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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2#ifndef __UAPI_CORESIGHT_STM_H_3#define __UAPI_CORESIGHT_STM_H_4 5#include <linux/const.h>6 7#define STM_FLAG_TIMESTAMPED _BITUL(3)8#define STM_FLAG_MARKED _BITUL(4)9#define STM_FLAG_GUARANTEED _BITUL(7)10 11/*12 * The CoreSight STM supports guaranteed and invariant timing13 * transactions. Guaranteed transactions are guaranteed to be14 * traced, this might involve stalling the bus or system to15 * ensure the transaction is accepted by the STM. While invariant16 * timing transactions are not guaranteed to be traced, they17 * will take an invariant amount of time regardless of the18 * state of the STM.19 */20enum {21 STM_OPTION_GUARANTEED = 0,22 STM_OPTION_INVARIANT,23};24 25#endif26