This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-s390 / kdebug.h

diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h
new file mode 100644 (file)
index 0000000..40cc680
--- /dev/null
+++ b/include/asm-s390/kdebug.h
@@ -0,0 +1,59 @@
+#ifndef _S390_KDEBUG_H
+#define _S390_KDEBUG_H
+
+/*
+ * Feb 2006 Ported to s390 <grundym@us.ibm.com>
+ */
+#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_sched
+ *  - then free.
+ */
+extern int register_die_notifier(struct notifier_block *);
+extern int unregister_die_notifier(struct notifier_block *);
+extern int register_page_fault_notifier(struct notifier_block *);
+extern int unregister_page_fault_notifier(struct notifier_block *);
+extern struct atomic_notifier_head s390die_chain;
+
+
+enum die_val {
+       DIE_OOPS = 1,
+       DIE_BPT,
+       DIE_SSTEP,
+       DIE_PANIC,
+       DIE_NMI,
+       DIE_DIE,
+       DIE_NMIWATCHDOG,
+       DIE_KERNELDEBUG,
+       DIE_TRAP,
+       DIE_GPF,
+       DIE_CALL,
+       DIE_NMI_IPI,
+       DIE_PAGE_FAULT,
+};
+
+static inline int notify_die(enum die_val val, const 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 atomic_notifier_call_chain(&s390die_chain, val, &args);
+}
+
+#endif