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60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
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#ifndef _S390_KDEBUG_H
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#define _S390_KDEBUG_H
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/*
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* Feb 2006 Ported to s390 <grundym@us.ibm.com>
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*/
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#include <linux/notifier.h>
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struct pt_regs;
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struct die_args {
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struct pt_regs *regs;
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const char *str;
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long err;
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int trapnr;
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int signr;
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};
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/* Note - you should never unregister because that can race with NMIs.
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* If you really want to do it first unregister - then synchronize_sched
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* - then free.
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*/
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extern int register_die_notifier(struct notifier_block *);
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extern int unregister_die_notifier(struct notifier_block *);
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extern int register_page_fault_notifier(struct notifier_block *);
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extern int unregister_page_fault_notifier(struct notifier_block *);
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extern struct atomic_notifier_head s390die_chain;
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enum die_val {
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DIE_OOPS = 1,
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DIE_BPT,
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DIE_SSTEP,
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DIE_PANIC,
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DIE_NMI,
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DIE_DIE,
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DIE_NMIWATCHDOG,
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DIE_KERNELDEBUG,
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DIE_TRAP,
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DIE_GPF,
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DIE_CALL,
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DIE_NMI_IPI,
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DIE_PAGE_FAULT,
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};
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static inline int notify_die(enum die_val val, const char *str,
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struct pt_regs *regs, long err, int trap, int sig)
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{
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struct die_args args = {
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.regs = regs,
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.str = str,
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.err = err,
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.trapnr = trap,
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.signr = sig
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};
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return atomic_notifier_call_chain(&s390die_chain, val, &args);
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}
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#endif
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