LXR linux/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h

   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
  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,
  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
  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
  71