[SPARC64]: Use machine description and OBP properly for cpu probing.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 39 insertions, 0 deletions

diff --git a/include/asm-sparc64/mdesc.h b/include/asm-sparc64/mdesc.h
new file mode 100644
index 000000000000..124eb8ca2378
--- /dev/null
+++ b/include/asm-sparc64/mdesc.h
@@ -0,0 +1,39 @@
+#ifndef _SPARC64_MDESC_H
+#define _SPARC64_MDESC_H
+
+#include <linux/types.h>
+#include <asm/prom.h>
+
+struct mdesc_node;
+struct mdesc_arc {
+        const char              *name;
+        struct mdesc_node       *arc;
+};
+
+struct mdesc_node {
+        const char              *name;
+        u64                     node;
+        unsigned int            unique_id;
+        unsigned int            num_arcs;
+        struct property         *properties;
+        struct mdesc_node       *hash_next;
+        struct mdesc_node       *allnodes_next;
+        struct mdesc_arc        arcs[0];
+};
+
+extern struct mdesc_node *md_find_node_by_name(struct mdesc_node *from,
+                                               const char *name);
+#define md_for_each_node_by_name(__mn, __name) \
+        for (__mn = md_find_node_by_name(NULL, __name); __mn; \
+             __mn = md_find_node_by_name(__mn, __name))
+
+extern struct property *md_find_property(const struct mdesc_node *mp,
+                                         const char *name,
+                                         int *lenp);
+extern const void *md_get_property(const struct mdesc_node *mp,
+                                   const char *name,
+                                   int *lenp);
+
+extern void sun4v_mdesc_init(void);
+
+#endif