1 files changed, 58 insertions, 0 deletions

diff --git a/arch/alpha/include/asm/gct.h b/arch/alpha/include/asm/gct.h
new file mode 100644
index 000000000000..3504c704927c
--- /dev/null
+++ b/arch/alpha/include/asm/gct.h
@@ -0,0 +1,58 @@
+#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 */
+