arch/alpha/include/asm/gct.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ALPHA_GCT_H
   3 #define __ALPHA_GCT_H
   4
   5 typedef u64 gct_id;
   6 typedef u64 gct6_handle;
   7
   8 typedef 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
  34 typedef 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
  56 int gct6_find_nodes(gct6_node *, gct6_search_struct *);
  57
  58 #endif /* __ALPHA_GCT_H */
  59