drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __MYRI10GE_MCP_GEN_HEADER_H__
   3 #define __MYRI10GE_MCP_GEN_HEADER_H__
   4
   5
   6 #define MCP_HEADER_PTR_OFFSET  0x3c
   7
   8 #define MCP_TYPE_MX 0x4d582020  /* "MX  " */
   9 #define MCP_TYPE_PCIE 0x70636965        /* "PCIE" pcie-only MCP */
  10 #define MCP_TYPE_ETH 0x45544820 /* "ETH " */
  11 #define MCP_TYPE_MCP0 0x4d435030        /* "MCP0" */
  12 #define MCP_TYPE_DFLT 0x20202020        /* "    " */
  13 #define MCP_TYPE_ETHZ 0x4554485a        /* "ETHZ" */
  14
  15 struct mcp_gen_header {
  16         /* the first 4 fields are filled at compile time */
  17         unsigned header_length;
  18         __be32 mcp_type;
  19         char version[128];
  20         unsigned mcp_private;   /* pointer to mcp-type specific structure */
  21
  22         /* filled by the MCP at run-time */
  23         unsigned sram_size;
  24         unsigned string_specs;  /* either the original STRING_SPECS or a superset */
  25         unsigned string_specs_len;
  26
  27         /* Fields above this comment are guaranteed to be present.
  28          *
  29          * Fields below this comment are extensions added in later versions
  30          * of this struct, drivers should compare the header_length against
  31          * offsetof(field) to check whether a given MCP implements them.
  32          *
  33          * Never remove any field.  Keep everything naturally align.
  34          */
  35
  36         /* Specifies if the running mcp is mcp0, 1, or 2. */
  37         unsigned char mcp_index;
  38         unsigned char disable_rabbit;
  39         unsigned char unaligned_tlp;
  40         unsigned char pcie_link_algo;
  41         unsigned counters_addr;
  42         unsigned copy_block_info;       /* for small mcps loaded with "lload -d" */
  43         unsigned short handoff_id_major;        /* must be equal */
  44         unsigned short handoff_id_caps; /* bitfield: new mcp must have superset */
  45         unsigned msix_table_addr;       /* start address of msix table in firmware */
  46         unsigned bss_addr;      /* start of bss */
  47         unsigned features;
  48         unsigned ee_hdr_addr;
  49         unsigned led_pattern;
  50         unsigned led_pattern_dflt;
  51         /* 8 */
  52 };
  53
  54 struct zmcp_info {
  55         unsigned info_len;
  56         unsigned zmcp_addr;
  57         unsigned zmcp_len;
  58         unsigned mcp_edata;
  59 };
  60
  61 #endif                          /* __MYRI10GE_MCP_GEN_HEADER_H__ */