mirror of https://gitee.com/openkylin/linux.git
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
#ifndef __MYRI10GE_MCP_GEN_HEADER_H__
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#define __MYRI10GE_MCP_GEN_HEADER_H__
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#define MCP_HEADER_PTR_OFFSET 0x3c
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#define MCP_TYPE_MX 0x4d582020 /* "MX " */
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#define MCP_TYPE_PCIE 0x70636965 /* "PCIE" pcie-only MCP */
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#define MCP_TYPE_ETH 0x45544820 /* "ETH " */
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#define MCP_TYPE_MCP0 0x4d435030 /* "MCP0" */
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#define MCP_TYPE_DFLT 0x20202020 /* " " */
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struct mcp_gen_header {
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/* the first 4 fields are filled at compile time */
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unsigned header_length;
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__be32 mcp_type;
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char version[128];
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unsigned mcp_private; /* pointer to mcp-type specific structure */
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/* filled by the MCP at run-time */
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unsigned sram_size;
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unsigned string_specs; /* either the original STRING_SPECS or a superset */
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unsigned string_specs_len;
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/* Fields above this comment are guaranteed to be present.
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*
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* Fields below this comment are extensions added in later versions
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* of this struct, drivers should compare the header_length against
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* offsetof(field) to check wether a given MCP implements them.
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*
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* Never remove any field. Keep everything naturally align.
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*/
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/* Specifies if the running mcp is mcp0, 1, or 2. */
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unsigned char mcp_index;
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unsigned char disable_rabbit;
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unsigned char unaligned_tlp;
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unsigned char pcie_link_algo;
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unsigned counters_addr;
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unsigned copy_block_info; /* for small mcps loaded with "lload -d" */
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unsigned short handoff_id_major; /* must be equal */
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unsigned short handoff_id_caps; /* bitfield: new mcp must have superset */
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unsigned msix_table_addr; /* start address of msix table in firmware */
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/* 8 */
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};
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#endif /* __MYRI10GE_MCP_GEN_HEADER_H__ */
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