1 files changed, 43 insertions, 0 deletions

diff --git a/include/asm-ppc64/kdebug.h b/include/asm-ppc64/kdebug.h
new file mode 100644
index 000000000000..488634258a72
--- /dev/null
+++ b/include/asm-ppc64/kdebug.h
@@ -0,0 +1,43 @@
+#ifndef _PPC64_KDEBUG_H
+#define _PPC64_KDEBUG_H 1
+
+/* nearly identical to x86_64/i386 code */
+
+#include <linux/notifier.h>
+
+struct pt_regs;
+
+struct die_args {
+        struct pt_regs *regs;
+        const char *str;
+        long err;
+        int trapnr;
+        int signr;
+};
+
+/*
+   Note - you should never unregister because that can race with NMIs.
+   If you really want to do it first unregister - then synchronize_kernel -
+   then free.
+ */
+int register_die_notifier(struct notifier_block *nb);
+extern struct notifier_block *ppc64_die_chain;
+
+/* Grossly misnamed. */
+enum die_val {
+        DIE_OOPS = 1,
+        DIE_IABR_MATCH,
+        DIE_DABR_MATCH,
+        DIE_BPT,
+        DIE_SSTEP,
+        DIE_GPF,
+        DIE_PAGE_FAULT,
+};
+
+static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig)
+{
+        struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig };
+        return notifier_call_chain(&ppc64_die_chain, val, &args);
+}
+
+#endif