| 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 |
| 32 | |