LXR linux/arch/alpha/include/asm/gct.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ALPHA_GCT_H
   3#define __ALPHA_GCT_H
   4
   5typedef u64 gct_id;
   6typedef u64 gct6_handle;
   7
   8typedef struct __gct6_node {
   9        u8 type;        
  10        u8 subtype;
  11        u16 size;
  12        u32 hd_extension;
  13        gct6_handle owner;
  14        gct6_handle active_user;
  15        gct_id id;
  16        u64 flags;
  17        u16 rev;
  18        u16 change_counter;
  19        u16 max_child;
  20        u16 reserved1;
  21        gct6_handle saved_owner;
  22        gct6_handle affinity;
  23        gct6_handle parent;
  24        gct6_handle next;
  25        gct6_handle prev;
  26        gct6_handle child;
  27        u64 fw_flags;
  28        u64 os_usage;
  29        u64 fru_id;
  30        u32 checksum;
  31        u32 magic;      /* 'GLXY' */
  32} gct6_node;
  33
  34typedef struct {
  35        u8 type;        
  36        u8 subtype;
  37        void (*callout)(gct6_node *);
  38} gct6_search_struct;
  39
  40#define GCT_NODE_MAGIC    0x59584c47    /* 'GLXY' */
  41
  42/* 
  43 * node types 
  44 */
  45#define GCT_TYPE_HOSE                   0x0E
  46
  47/*
  48 * node subtypes
  49 */
  50#define GCT_SUBTYPE_IO_PORT_MODULE      0x2C
  51
  52#define GCT_NODE_PTR(off) ((gct6_node *)((char *)hwrpb +                \
  53                                         hwrpb->frut_offset +           \
  54                                         (gct6_handle)(off)))           \
  55
  56int gct6_find_nodes(gct6_node *, gct6_search_struct *);
  57
  58#endif /* __ALPHA_GCT_H */
  59
  60