| Pratik Patel | 237483a | 2016-05-03 11:33:40 -0600 | [diff] [blame] | 1 | #ifndef __UAPI_CORESIGHT_STM_H_ |
| 2 | #define __UAPI_CORESIGHT_STM_H_ |
| 3 | |
| 4 | #define STM_FLAG_TIMESTAMPED BIT(3) |
| 5 | #define STM_FLAG_GUARANTEED BIT(7) |
| 6 | |
| 7 | /* |
| 8 | * The CoreSight STM supports guaranteed and invariant timing |
| 9 | * transactions. Guaranteed transactions are guaranteed to be |
| 10 | * traced, this might involve stalling the bus or system to |
| 11 | * ensure the transaction is accepted by the STM. While invariant |
| 12 | * timing transactions are not guaranteed to be traced, they |
| 13 | * will take an invariant amount of time regardless of the |
| 14 | * state of the STM. |
| 15 | */ |
| 16 | enum { |
| 17 | STM_OPTION_GUARANTEED = 0, |
| 18 | STM_OPTION_INVARIANT, |
| 19 | }; |
| 20 | |
| 21 | #endif |