1 /* 2 * Copyright (c) 2016, Linaro Limited 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef __PTA_GPROF_H 29 #define __PTA_GPROF_H 30 31 /* 32 * Interface to the gprof pseudo-TA, which is used by libutee to control TA 33 * profiling and forward data to tee-supplicant. 34 */ 35 36 #define PTA_GPROF_UUID { 0x2f6e0d48, 0xc574, 0x426d, { \ 37 0x82, 0x4e, 0x40, 0x19, 0x8c, 0xde, 0x5c, 0xac } } 38 39 /* 40 * Send TA profiling data (gmon.out format) to tee-supplicant 41 * Data may be sent in several chunks: first set id to 0, then re-use the 42 * allocated value in subsequent calls. 43 * 44 * [in/out] value[0].a: id 45 * [in] memref[1]: profiling data 46 */ 47 #define PTA_GPROF_SEND 0 48 49 /* 50 * Start PC sampling of a user TA session 51 * 52 * [in/out] memref[0]: sampling buffer 53 * [in] value[1].a: offset: the lowest PC value in the TA 54 * [in] value[1].b: scale: histogram scaling factor 55 */ 56 #define PTA_GPROF_START_PC_SAMPLING 1 57 58 /* 59 * Stop PC sampling of a user TA session and retrieve data 60 * 61 * [out] value[0].a: sampling frequency 62 */ 63 #define PTA_GPROF_STOP_PC_SAMPLING 2 64 65 #endif /* __PTA_GPROF_H */ 66