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
  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