1 /* 2 * intel_pt_pkt_decoder.h: Intel Processor Trace support 3 * Copyright (c) 2013-2014, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 */ 15 16 #ifndef INCLUDE__INTEL_PT_PKT_DECODER_H__ 17 #define INCLUDE__INTEL_PT_PKT_DECODER_H__ 18 19 #include <stddef.h> 20 #include <stdint.h> 21 22 #define INTEL_PT_PKT_DESC_MAX 256 23 24 #define INTEL_PT_NEED_MORE_BYTES -1 25 #define INTEL_PT_BAD_PACKET -2 26 27 #define INTEL_PT_PSB_STR "\002\202\002\202\002\202\002\202" \ 28 "\002\202\002\202\002\202\002\202" 29 #define INTEL_PT_PSB_LEN 16 30 31 #define INTEL_PT_PKT_MAX_SZ 16 32 33 enum intel_pt_pkt_type { 34 INTEL_PT_BAD, 35 INTEL_PT_PAD, 36 INTEL_PT_TNT, 37 INTEL_PT_TIP_PGD, 38 INTEL_PT_TIP_PGE, 39 INTEL_PT_TSC, 40 INTEL_PT_TMA, 41 INTEL_PT_MODE_EXEC, 42 INTEL_PT_MODE_TSX, 43 INTEL_PT_MTC, 44 INTEL_PT_TIP, 45 INTEL_PT_FUP, 46 INTEL_PT_CYC, 47 INTEL_PT_VMCS, 48 INTEL_PT_PSB, 49 INTEL_PT_PSBEND, 50 INTEL_PT_CBR, 51 INTEL_PT_TRACESTOP, 52 INTEL_PT_PIP, 53 INTEL_PT_OVF, 54 INTEL_PT_MNT, 55 }; 56 57 struct intel_pt_pkt { 58 enum intel_pt_pkt_type type; 59 int count; 60 uint64_t payload; 61 }; 62 63 const char *intel_pt_pkt_name(enum intel_pt_pkt_type); 64 65 int intel_pt_get_packet(const unsigned char *buf, size_t len, 66 struct intel_pt_pkt *packet); 67 68 int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len); 69 70 #endif 71