/* 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_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