1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __MYRI10GE_MCP_GEN_HEADER_H__
3#define __MYRI10GE_MCP_GEN_HEADER_H__
4
5
6#define MCP_HEADER_PTR_OFFSET  0x3c
7
8#define MCP_TYPE_MX 0x4d582020	/* "MX  " */
9#define MCP_TYPE_PCIE 0x70636965	/* "PCIE" pcie-only MCP */
10#define MCP_TYPE_ETH 0x45544820	/* "ETH " */
11#define MCP_TYPE_MCP0 0x4d435030	/* "MCP0" */
12#define MCP_TYPE_DFLT 0x20202020	/* "    " */
13#define MCP_TYPE_ETHZ 0x4554485a	/* "ETHZ" */
14
15struct mcp_gen_header {
16	/* the first 4 fields are filled at compile time */
17	unsigned header_length;
18	__be32 mcp_type;
19	char version[128];
20	unsigned mcp_private;	/* pointer to mcp-type specific structure */
21
22	/* filled by the MCP at run-time */
23	unsigned sram_size;
24	unsigned string_specs;	/* either the original STRING_SPECS or a superset */
25	unsigned string_specs_len;
26
27	/* Fields above this comment are guaranteed to be present.
28	 *
29	 * Fields below this comment are extensions added in later versions
30	 * of this struct, drivers should compare the header_length against
31	 * offsetof(field) to check whether a given MCP implements them.
32	 *
33	 * Never remove any field.  Keep everything naturally align.
34	 */
35
36	/* Specifies if the running mcp is mcp0, 1, or 2. */
37	unsigned char mcp_index;
38	unsigned char disable_rabbit;
39	unsigned char unaligned_tlp;
40	unsigned char pcie_link_algo;
41	unsigned counters_addr;
42	unsigned copy_block_info;	/* for small mcps loaded with "lload -d" */
43	unsigned short handoff_id_major;	/* must be equal */
44	unsigned short handoff_id_caps;	/* bitfield: new mcp must have superset */
45	unsigned msix_table_addr;	/* start address of msix table in firmware */
46	unsigned bss_addr;	/* start of bss */
47	unsigned features;
48	unsigned ee_hdr_addr;
49	unsigned led_pattern;
50	unsigned led_pattern_dflt;
51	/* 8 */
52};
53
54struct zmcp_info {
55	unsigned info_len;
56	unsigned zmcp_addr;
57	unsigned zmcp_len;
58	unsigned mcp_edata;
59};
60
61#endif				/* __MYRI10GE_MCP_GEN_HEADER_H__ */
62