1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2017 Chelsio Communications. All rights reserved.
4 */
5
6#ifndef __CUDBG_LIB_COMMON_H__
7#define __CUDBG_LIB_COMMON_H__
8
9#define CUDBG_SIGNATURE 67856866 /* CUDB in ascii */
10
11enum cudbg_dump_type {
12 CUDBG_DUMP_TYPE_MINI = 1,
13};
14
15enum cudbg_compression_type {
16 CUDBG_COMPRESSION_NONE = 1,
17 CUDBG_COMPRESSION_ZLIB,
18};
19
20struct cudbg_hdr {
21 u32 signature;
22 u32 hdr_len;
23 u16 major_ver;
24 u16 minor_ver;
25 u32 data_len;
26 u32 hdr_flags;
27 u16 max_entities;
28 u8 chip_ver;
29 u8 dump_type:3;
30 u8 reserved1:1;
31 u8 compress_type:4;
32 u32 reserved[8];
33};
34
35struct cudbg_entity_hdr {
36 u32 entity_type;
37 u32 start_offset;
38 u32 size;
39 int hdr_flags;
40 u32 sys_warn;
41 u32 sys_err;
42 u8 num_pad;
43 u8 flag; /* bit 0 is used to indicate ext data */
44 u8 reserved1[2];
45 u32 next_ext_offset; /* pointer to next extended entity meta data */
46 u32 reserved[5];
47};
48
49struct cudbg_ver_hdr {
50 u32 signature;
51 u16 revision;
52 u16 size;
53};
54
55struct cudbg_buffer {
56 u32 size;
57 u32 offset;
58 char *data;
59};
60
61struct cudbg_error {
62 int sys_err;
63 int sys_warn;
64 int app_err;
65};
66
67#define CDUMP_MAX_COMP_BUF_SIZE ((64 * 1024) - 1)
68#define CUDBG_CHUNK_SIZE ((CDUMP_MAX_COMP_BUF_SIZE / 1024) * 1024)
69
70int cudbg_get_buff(struct cudbg_init *pdbg_init,
71 struct cudbg_buffer *pdbg_buff, u32 size,
72 struct cudbg_buffer *pin_buff);
73void cudbg_put_buff(struct cudbg_init *pdbg_init,
74 struct cudbg_buffer *pin_buff);
75void cudbg_update_buff(struct cudbg_buffer *pin_buff,
76 struct cudbg_buffer *pout_buff);
77#endif /* __CUDBG_LIB_COMMON_H__ */
78

source code of linux/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h