tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * HiSilicon PCIe Trace and Tuning (PTT) support
   4  * Copyright (c) 2022 HiSilicon Technologies Co., Ltd.
   5  */
   6
   7 #ifndef INCLUDE__HISI_PTT_PKT_DECODER_H__
   8 #define INCLUDE__HISI_PTT_PKT_DECODER_H__
   9
  10 #include <stddef.h>
  11 #include <stdint.h>
  12
  13 #define HISI_PTT_8DW_CHECK_MASK         GENMASK(31, 11)
  14 #define HISI_PTT_IS_8DW_PKT             GENMASK(31, 11)
  15 #define HISI_PTT_MAX_SPACE_LEN          10
  16 #define HISI_PTT_FIELD_LENTH            4
  17
  18 enum hisi_ptt_pkt_type {
  19         HISI_PTT_4DW_PKT,
  20         HISI_PTT_8DW_PKT,
  21         HISI_PTT_PKT_MAX
  22 };
  23
  24 static int hisi_ptt_pkt_size[] = {
  25         [HISI_PTT_4DW_PKT]      = 16,
  26         [HISI_PTT_8DW_PKT]      = 32,
  27 };
  28
  29 int hisi_ptt_pkt_desc(const unsigned char *buf, int pos, enum hisi_ptt_pkt_type type);
  30
  31 #endif