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
  13 struct mcp_gen_header {
  14         /* the first 4 fields are filled at compile time */
  15         unsigned header_length;
  16         __be32 mcp_type;
  17         char version[128];
  18         unsigned mcp_private;   /* pointer to mcp-type specific structure */
  19
  20         /* filled by the MCP at run-time */
  21         unsigned sram_size;
  22         unsigned string_specs;  /* either the original STRING_SPECS or a superset */
  23         unsigned string_specs_len;
  24
  25         /* Fields above this comment are guaranteed to be present.
  26          *
  27          * Fields below this comment are extensions added in later versions
  28          * of this struct, drivers should compare the header_length against
  29          * offsetof(field) to check wether a given MCP implements them.
  30          *
  31          * Never remove any field.  Keep everything naturally align.
  32          */
  33
  34         /* Specifies if the running mcp is mcp0, 1, or 2. */
  35         unsigned char mcp_index;
  36         unsigned char disable_rabbit;
  37         unsigned char unaligned_tlp;
  38         unsigned char pad1;
  39         unsigned counters_addr;
  40         unsigned copy_block_info;       /* for small mcps loaded with "lload -d" */
  41         unsigned short handoff_id_major;        /* must be equal */
  42         unsigned short handoff_id_caps; /* bitfield: new mcp must have superset */
  43         unsigned msix_table_addr;       /* start address of msix table in firmware */
  44         /* 8 */
  45 };
  46
  47 #endif                          /* __MYRI10GE_MCP_GEN_HEADER_H__ */