16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2237483aaSPratik Patel #ifndef __UAPI_CORESIGHT_STM_H_ 3237483aaSPratik Patel #define __UAPI_CORESIGHT_STM_H_ 4237483aaSPratik Patel 59b6eaaf3SEugene Syromiatnikov #include <linux/const.h> 69b6eaaf3SEugene Syromiatnikov 79b6eaaf3SEugene Syromiatnikov #define STM_FLAG_TIMESTAMPED _BITUL(3) 8*4af8b3d3STingwei Zhang #define STM_FLAG_MARKED _BITUL(4) 99b6eaaf3SEugene Syromiatnikov #define STM_FLAG_GUARANTEED _BITUL(7) 10237483aaSPratik Patel 11237483aaSPratik Patel /* 12237483aaSPratik Patel * The CoreSight STM supports guaranteed and invariant timing 13237483aaSPratik Patel * transactions. Guaranteed transactions are guaranteed to be 14237483aaSPratik Patel * traced, this might involve stalling the bus or system to 15237483aaSPratik Patel * ensure the transaction is accepted by the STM. While invariant 16237483aaSPratik Patel * timing transactions are not guaranteed to be traced, they 17237483aaSPratik Patel * will take an invariant amount of time regardless of the 18237483aaSPratik Patel * state of the STM. 19237483aaSPratik Patel */ 20237483aaSPratik Patel enum { 21237483aaSPratik Patel STM_OPTION_GUARANTEED = 0, 22237483aaSPratik Patel STM_OPTION_INVARIANT, 23237483aaSPratik Patel }; 24237483aaSPratik Patel 25237483aaSPratik Patel #endif 26