gct.h (1042B)
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