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