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Adrian Huntera4e92592015-07-17 19:33:37 +03001/*
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
33enum 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,
Adrian Hunter3d498072015-07-17 19:33:53 +030040 INTEL_PT_TMA,
Adrian Huntera4e92592015-07-17 19:33:37 +030041 INTEL_PT_MODE_EXEC,
42 INTEL_PT_MODE_TSX,
Adrian Hunter3d498072015-07-17 19:33:53 +030043 INTEL_PT_MTC,
Adrian Huntera4e92592015-07-17 19:33:37 +030044 INTEL_PT_TIP,
45 INTEL_PT_FUP,
Adrian Hunter3d498072015-07-17 19:33:53 +030046 INTEL_PT_CYC,
47 INTEL_PT_VMCS,
Adrian Huntera4e92592015-07-17 19:33:37 +030048 INTEL_PT_PSB,
49 INTEL_PT_PSBEND,
50 INTEL_PT_CBR,
Adrian Hunter3d498072015-07-17 19:33:53 +030051 INTEL_PT_TRACESTOP,
Adrian Huntera4e92592015-07-17 19:33:37 +030052 INTEL_PT_PIP,
53 INTEL_PT_OVF,
Adrian Hunter3d498072015-07-17 19:33:53 +030054 INTEL_PT_MNT,
Adrian Huntera4e92592015-07-17 19:33:37 +030055};
56
57struct intel_pt_pkt {
58 enum intel_pt_pkt_type type;
59 int count;
60 uint64_t payload;
61};
62
63const char *intel_pt_pkt_name(enum intel_pt_pkt_type);
64
65int intel_pt_get_packet(const unsigned char *buf, size_t len,
66 struct intel_pt_pkt *packet);
67
68int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len);
69
70#endif