linux/arch/alpha/include/asm/gct.h
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   1#ifndef __ALPHA_GCT_H
   2#define __ALPHA_GCT_H
   3
   4typedef u64 gct_id;
   5typedef u64 gct6_handle;
   6
   7typedef struct __gct6_node {
   8        u8 type;        
   9        u8 subtype;
  10        u16 size;
  11        u32 hd_extension;
  12        gct6_handle owner;
  13        gct6_handle active_user;
  14        gct_id id;
  15        u64 flags;
  16        u16 rev;
  17        u16 change_counter;
  18        u16 max_child;
  19        u16 reserved1;
  20        gct6_handle saved_owner;
  21        gct6_handle affinity;
  22        gct6_handle parent;
  23        gct6_handle next;
  24        gct6_handle prev;
  25        gct6_handle child;
  26        u64 fw_flags;
  27        u64 os_usage;
  28        u64 fru_id;
  29        u32 checksum;
  30        u32 magic;      /* 'GLXY' */
  31} gct6_node;
  32
  33typedef struct {
  34        u8 type;        
  35        u8 subtype;
  36        void (*callout)(gct6_node *);
  37} gct6_search_struct;
  38
  39#define GCT_NODE_MAGIC    0x59584c47    /* 'GLXY' */
  40
  41/* 
  42 * node types 
  43 */
  44#define GCT_TYPE_HOSE                   0x0E
  45
  46/*
  47 * node subtypes
  48 */
  49#define GCT_SUBTYPE_IO_PORT_MODULE      0x2C
  50
  51#define GCT_NODE_PTR(off) ((gct6_node *)((char *)hwrpb +                \
  52                                         hwrpb->frut_offset +           \
  53                                         (gct6_handle)(off)))           \
  54
  55int gct6_find_nodes(gct6_node *, gct6_search_struct *);
  56
  57#endif /* __ALPHA_GCT_H */
  58
  59