| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright (c) 2016, Linaro Limited |
| */ |
| |
| #ifndef __PTA_GPROF_H |
| #define __PTA_GPROF_H |
| |
| /* |
| * Interface to the gprof pseudo-TA, which is used by libutee to control TA |
| * profiling and forward data to tee-supplicant. |
| */ |
| |
| #define PTA_GPROF_UUID { 0x2f6e0d48, 0xc574, 0x426d, { \ |
| 0x82, 0x4e, 0x40, 0x19, 0x8c, 0xde, 0x5c, 0xac } } |
| |
| /* |
| * Send TA profiling data (gmon.out format) to tee-supplicant |
| * Data may be sent in several chunks: first set id to 0, then re-use the |
| * allocated value in subsequent calls. |
| * |
| * [in/out] value[0].a: id |
| * [in] memref[1]: profiling data |
| */ |
| #define PTA_GPROF_SEND 0 |
| |
| /* |
| * Start PC sampling of a user TA session |
| * |
| * [in/out] memref[0]: sampling buffer |
| * [in] value[1].a: offset: the lowest PC value in the TA |
| * [in] value[1].b: scale: histogram scaling factor |
| */ |
| #define PTA_GPROF_START_PC_SAMPLING 1 |
| |
| /* |
| * Stop PC sampling of a user TA session and retrieve data |
| * |
| * [out] value[0].a: sampling frequency |
| */ |
| #define PTA_GPROF_STOP_PC_SAMPLING 2 |
| |
| #endif /* __PTA_GPROF_H */ |
