myri10ge_mcp_gen_header.h

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#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    /* "    " */
#define MCP_TYPE_ETHZ 0x4554485a    /* "ETHZ" */

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 */
    unsigned bss_addr;  /* start of bss */
    unsigned features;
    unsigned ee_hdr_addr;
    unsigned led_pattern;
    unsigned led_pattern_dflt;
    /* 8 */
};

struct zmcp_info {
    unsigned info_len;
    unsigned zmcp_addr;
    unsigned zmcp_len;
    unsigned mcp_edata;
};

#endif              /* __MYRI10GE_MCP_GEN_HEADER_H__ */