tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_X86_NMI_H
2#define _ASM_X86_NMI_H
3
4#include <linux/pm.h>
5#include <asm/irq.h>
6#include <asm/io.h>
7
8#ifdef CONFIG_X86_LOCAL_APIC
9
10extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
11extern int reserve_perfctr_nmi(unsigned int);
12extern void release_perfctr_nmi(unsigned int);
13extern int reserve_evntsel_nmi(unsigned int);
14extern void release_evntsel_nmi(unsigned int);
15
16struct ctl_table;
17extern int proc_nmi_enabled(struct ctl_table *, int ,
18 void __user *, size_t *, loff_t *);
19extern int unknown_nmi_panic;
20
21void arch_trigger_all_cpu_backtrace(void);
22#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
23#endif
24
25#define NMI_FLAG_FIRST 1
26
27enum {
28 NMI_LOCAL=0,
29 NMI_UNKNOWN,
30 NMI_SERR,
31 NMI_IO_CHECK,
32 NMI_MAX
33};
34
35#define NMI_DONE 0
36#define NMI_HANDLED 1
37
38typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
39
40struct nmiaction {
41 struct list_head list;
42 nmi_handler_t handler;
43 unsigned long flags;
44 const char *name;
45};
46
47#define register_nmi_handler(t, fn, fg, n, init...) \
48({ \
49 static struct nmiaction init fn##_na = { \
50 .handler = (fn), \
51 .name = (n), \
52 .flags = (fg), \
53 }; \
54 __register_nmi_handler((t), &fn##_na); \
55})
56
57int __register_nmi_handler(unsigned int, struct nmiaction *);
58
59void unregister_nmi_handler(unsigned int, const char *);
60
61void stop_nmi(void);
62void restart_nmi(void);
63void local_touch_nmi(void);
64
65#endif /* _ASM_X86_NMI_H */