drivers/net/myri10ge/myri10ge_mcp_gen_header.h

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