| /* 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 |
