linux/drivers/net/myri10ge/myri10ge_mcp_gen_header.h

48 lines
1.6 KiB
C

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