Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _S390_KDEBUG_H
2#define _S390_KDEBUG_H
3
4/*
5 * Feb 2006 Ported to s390 <grundym@us.ibm.com>
6 */
7#include <linux/notifier.h>
8
9struct pt_regs;
10
11struct die_args {
12 struct pt_regs *regs;
13 const char *str;
14 long err;
15 int trapnr;
16 int signr;
17};
18
19/* Note - you should never unregister because that can race with NMIs.
20 * If you really want to do it first unregister - then synchronize_sched
21 * - then free.
22 */
23extern int register_die_notifier(struct notifier_block *);
24extern int unregister_die_notifier(struct notifier_block *);
25extern int register_page_fault_notifier(struct notifier_block *);
26extern int unregister_page_fault_notifier(struct notifier_block *);
27extern struct atomic_notifier_head s390die_chain;
28
29enum die_val {
30 DIE_OOPS = 1,
31 DIE_BPT,
32 DIE_SSTEP,
33 DIE_PANIC,
34 DIE_NMI,
35 DIE_DIE,
36 DIE_NMIWATCHDOG,
37 DIE_KERNELDEBUG,
38 DIE_TRAP,
39 DIE_GPF,
40 DIE_CALL,
41 DIE_NMI_IPI,
42 DIE_PAGE_FAULT,
43};
44
45static inline int notify_die(enum die_val val, const char *str,
46 struct pt_regs *regs, long err, int trap, int sig)
47{
48 struct die_args args = {
49 .regs = regs,
50 .str = str,
51 .err = err,
52 .trapnr = trap,
53 .signr = sig
54 };
55 return atomic_notifier_call_chain(&s390die_chain, val, &args);
56}
57
58extern void die(const char *, struct pt_regs *, long);
59
60#endif