1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * mcp251xfd - Microchip MCP251xFD Family CAN controller driver
4 *
5 * Copyright (c) 2019, 2020, 2021 Pengutronix,
6 * Marc Kleine-Budde <kernel@pengutronix.de>
7 */
8
9#ifndef _MCP251XFD_DUMP_H
10#define _MCP251XFD_DUMP_H
11
12#define MCP251XFD_DUMP_MAGIC 0x1825434d
13
14enum mcp251xfd_dump_object_type {
15 MCP251XFD_DUMP_OBJECT_TYPE_REG,
16 MCP251XFD_DUMP_OBJECT_TYPE_TEF,
17 MCP251XFD_DUMP_OBJECT_TYPE_RX,
18 MCP251XFD_DUMP_OBJECT_TYPE_TX,
19 MCP251XFD_DUMP_OBJECT_TYPE_END = -1,
20};
21
22enum mcp251xfd_dump_object_ring_key {
23 MCP251XFD_DUMP_OBJECT_RING_KEY_HEAD,
24 MCP251XFD_DUMP_OBJECT_RING_KEY_TAIL,
25 MCP251XFD_DUMP_OBJECT_RING_KEY_BASE,
26 MCP251XFD_DUMP_OBJECT_RING_KEY_NR,
27 MCP251XFD_DUMP_OBJECT_RING_KEY_FIFO_NR,
28 MCP251XFD_DUMP_OBJECT_RING_KEY_OBJ_NUM,
29 MCP251XFD_DUMP_OBJECT_RING_KEY_OBJ_SIZE,
30 __MCP251XFD_DUMP_OBJECT_RING_KEY_MAX,
31};
32
33struct mcp251xfd_dump_object_header {
34 __le32 magic;
35 __le32 type;
36 __le32 offset;
37 __le32 len;
38};
39
40struct mcp251xfd_dump_object_reg {
41 __le32 reg;
42 __le32 val;
43};
44
45#endif
46

source code of linux/drivers/net/can/spi/mcp251xfd/mcp251xfd-dump.h