/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ALPHA_GCT_H
#define __ALPHA_GCT_H

typedef u64 gct_id;
typedef u64 gct6_handle;

typedef struct __gct6_node {
        u8 type;        
        u8 subtype;
        u16 size;
        u32 hd_extension;
        gct6_handle owner;
        gct6_handle active_user;
        gct_id id;
        u64 flags;
        u16 rev;
        u16 change_counter;
        u16 max_child;
        u16 reserved1;
        gct6_handle saved_owner;
        gct6_handle affinity;
        gct6_handle parent;
        gct6_handle next;
        gct6_handle prev;
        gct6_handle child;
        u64 fw_flags;
        u64 os_usage;
        u64 fru_id;
        u32 checksum;
        u32 magic;      /* 'GLXY' */
} gct6_node;

typedef struct {
        u8 type;        
        u8 subtype;
        void (*callout)(gct6_node *);
} gct6_search_struct;

#define GCT_NODE_MAGIC    0x59584c47    /* 'GLXY' */

/* 
 * node types 
 */
#define GCT_TYPE_HOSE                   0x0E

/*
 * node subtypes
 */
#define GCT_SUBTYPE_IO_PORT_MODULE      0x2C

#define GCT_NODE_PTR(off) ((gct6_node *)((char *)hwrpb +                \
                                         hwrpb->frut_offset +           \
                                         (gct6_handle)(off)))           \

int gct6_find_nodes(gct6_node *, gct6_search_struct *);

#endif /* __ALPHA_GCT_H */