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#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 *);
/*
* These are only here because kprobes.c wants them to implement a
* blatant layering violation. Will hopefully go away soon once all
* architectures are updated.
*/
static inline int register_page_fault_notifier(struct notifier_block *nb)
{
return 0;
}
static inline int unregister_page_fault_notifier(struct notifier_block *nb)
{
return 0;
}
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,
};
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);
}
extern void die(const char *, struct pt_regs *, long);
#endif
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