Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/include/asm-i386/nmi.h | |
3 | */ | |
4 | #ifndef ASM_NMI_H | |
5 | #define ASM_NMI_H | |
6 | ||
7 | #include <linux/pm.h> | |
3e4ff115 | 8 | #include <asm/io.h> |
1da177e4 | 9 | |
3adbbcce DZ |
10 | /** |
11 | * do_nmi_callback | |
12 | * | |
13 | * Check to see if a callback exists and execute it. Return 1 | |
14 | * if the handler exists and was handled successfully. | |
15 | */ | |
16 | int do_nmi_callback(struct pt_regs *regs, int cpu); | |
17 | ||
1da177e4 LT |
18 | #ifdef CONFIG_PM |
19 | ||
20 | /** Replace the PM callback routine for NMI. */ | |
21 | struct pm_dev * set_nmi_pm_callback(pm_callback callback); | |
22 | ||
23 | /** Unset the PM callback routine back to the default. */ | |
24 | void unset_nmi_pm_callback(struct pm_dev * dev); | |
25 | ||
26 | #else | |
27 | ||
28 | static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback) | |
29 | { | |
30 | return 0; | |
31 | } | |
32 | ||
33 | static inline void unset_nmi_pm_callback(struct pm_dev * dev) | |
34 | { | |
35 | } | |
36 | ||
37 | #endif /* CONFIG_PM */ | |
38 | ||
39 | extern void default_do_nmi(struct pt_regs *); | |
fac58550 | 40 | extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); |
1da177e4 LT |
41 | |
42 | #define get_nmi_reason() inb(0x61) | |
43 | ||
44 | extern int panic_on_timeout; | |
45 | extern int unknown_nmi_panic; | |
407984f1 | 46 | extern int nmi_watchdog_enabled; |
75152114 AK |
47 | |
48 | extern int check_nmi_watchdog(void); | |
828f0afd DZ |
49 | extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); |
50 | extern int avail_to_resrv_perfctr_nmi(unsigned int); | |
51 | extern int reserve_perfctr_nmi(unsigned int); | |
52 | extern void release_perfctr_nmi(unsigned int); | |
53 | extern int reserve_evntsel_nmi(unsigned int); | |
54 | extern void release_evntsel_nmi(unsigned int); | |
55 | ||
f2802e7f | 56 | extern void setup_apic_nmi_watchdog (void *); |
4038f901 | 57 | extern void stop_apic_nmi_watchdog (void *); |
3e4ff115 DZ |
58 | extern void disable_timer_nmi_watchdog(void); |
59 | extern void enable_timer_nmi_watchdog(void); | |
3adbbcce | 60 | extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); |
3e4ff115 DZ |
61 | |
62 | extern void nmi_watchdog_default(void); | |
63 | extern int setup_nmi_watchdog(char *); | |
64 | ||
f2802e7f | 65 | extern atomic_t nmi_active; |
3e4ff115 DZ |
66 | extern unsigned int nmi_watchdog; |
67 | #define NMI_DEFAULT -1 | |
68 | #define NMI_NONE 0 | |
69 | #define NMI_IO_APIC 1 | |
70 | #define NMI_LOCAL_APIC 2 | |
71 | #define NMI_INVALID 3 | |
72 | ||
29cbc78b AK |
73 | struct ctl_table; |
74 | struct file; | |
75 | extern int proc_nmi_enabled(struct ctl_table *, int , struct file *, | |
76 | void __user *, size_t *, loff_t *); | |
77 | ||
78 | extern int unknown_nmi_panic; | |
79 | ||
bb81a09e AM |
80 | void __trigger_all_cpu_backtrace(void); |
81 | #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() | |
82 | ||
1da177e4 | 83 | #endif /* ASM_NMI_H */ |