text: /*
   * intel_pt_pkt_decoder.h: Intel Processor Trace support
   * Copyright (c) 2013-2014, Intel Corporation.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   * more details.
   *
   */
  
  #ifndef INCLUDE__INTEL_PT_PKT_DECODER_H__
  #define INCLUDE__INTEL_PT_PKT_DECODER_H__
  
  #include <stddef.h>
  #include <stdint.h>
  
  #define INTEL_PT_PKT_DESC_MAX	256
  
  #define INTEL_PT_NEED_MORE_BYTES	-1
  #define INTEL_PT_BAD_PACKET		-2
  
  #define INTEL_PT_PSB_STR		"\002\202\002\202\002\202\002\202" \
  					"\002\202\002\202\002\202\002\202"
  #define INTEL_PT_PSB_LEN		16
  
  #define INTEL_PT_PKT_MAX_SZ		16
  
  enum intel_pt_pkt_type {
  	INTEL_PT_BAD,
  	INTEL_PT_PAD,
  	INTEL_PT_TNT,
  	INTEL_PT_TIP_PGD,
  	INTEL_PT_TIP_PGE,
  	INTEL_PT_TSC,
  	INTEL_PT_TMA,
  	INTEL_PT_MODE_EXEC,
  	INTEL_PT_MODE_TSX,
  	INTEL_PT_MTC,
  	INTEL_PT_TIP,
  	INTEL_PT_FUP,
  	INTEL_PT_CYC,
  	INTEL_PT_VMCS,
  	INTEL_PT_PSB,
  	INTEL_PT_PSBEND,
  	INTEL_PT_CBR,
  	INTEL_PT_TRACESTOP,
  	INTEL_PT_PIP,
  	INTEL_PT_OVF,
  	INTEL_PT_MNT,
  };
  
  struct intel_pt_pkt {
  	enum intel_pt_pkt_type	type;
  	int			count;
  	uint64_t		payload;
  };
  
  const char *intel_pt_pkt_name(enum intel_pt_pkt_type);
  
  int intel_pt_get_packet(const unsigned char *buf, size_t len,
  			struct intel_pt_pkt *packet);
  
  int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len);
  
  #endif
  