drivers/hwtracing/intel_th/sth.h

   1 /*
   2  * Intel(R) Trace Hub Software Trace Hub (STH) data structures
   3  *
   4  * Copyright (C) 2014-2015 Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  */
  15
  16 #ifndef __INTEL_TH_STH_H__
  17 #define __INTEL_TH_STH_H__
  18
  19 enum {
  20         REG_STH_STHCAP0         = 0x0000, /* capabilities pt1 */
  21         REG_STH_STHCAP1         = 0x0004, /* capabilities pt2 */
  22         REG_STH_TRIG            = 0x0008, /* TRIG packet payload */
  23         REG_STH_TRIG_TS         = 0x000c, /* TRIG_TS packet payload */
  24         REG_STH_XSYNC           = 0x0010, /* XSYNC packet payload */
  25         REG_STH_XSYNC_TS        = 0x0014, /* XSYNC_TS packet payload */
  26         REG_STH_GERR            = 0x0018, /* GERR packet payload */
  27 };
  28
  29 struct intel_th_channel {
  30         u64     Dn;
  31         u64     DnM;
  32         u64     DnTS;
  33         u64     DnMTS;
  34         u64     USER;
  35         u64     USER_TS;
  36         u32     FLAG;
  37         u32     FLAG_TS;
  38         u32     MERR;
  39         u32     __unused;
  40 } __packed;
  41
  42 #endif /* __INTEL_TH_STH_H__ */