diff options
Diffstat (limited to 'include/asm-x86/nmi.h')
-rw-r--r-- | include/asm-x86/nmi.h | 92 |
1 files changed, 89 insertions, 3 deletions
diff --git a/include/asm-x86/nmi.h b/include/asm-x86/nmi.h index 53ccac14cead..2b9419903476 100644 --- a/include/asm-x86/nmi.h +++ b/include/asm-x86/nmi.h | |||
@@ -1,5 +1,91 @@ | |||
1 | #ifdef CONFIG_X86_32 | 1 | #ifndef _ASM_X86_NMI_H_ |
2 | # include "nmi_32.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 ARCH_HAS_NMI_WATCHDOG | ||
9 | |||
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 | |||
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 | |||
3 | #else | 26 | #else |
4 | # include "nmi_64.h" | 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 | #ifdef CONFIG_X86_64 | ||
40 | extern void default_do_nmi(struct pt_regs *); | ||
41 | extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); | ||
42 | #endif | ||
43 | |||
44 | extern int check_nmi_watchdog(void); | ||
45 | extern int nmi_watchdog_enabled; | ||
46 | extern int unknown_nmi_panic; | ||
47 | extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); | ||
48 | extern int avail_to_resrv_perfctr_nmi(unsigned int); | ||
49 | extern int reserve_perfctr_nmi(unsigned int); | ||
50 | extern void release_perfctr_nmi(unsigned int); | ||
51 | extern int reserve_evntsel_nmi(unsigned int); | ||
52 | extern void release_evntsel_nmi(unsigned int); | ||
53 | extern void nmi_watchdog_default(void); | ||
54 | |||
55 | extern void setup_apic_nmi_watchdog(void *); | ||
56 | extern void stop_apic_nmi_watchdog(void *); | ||
57 | extern void disable_timer_nmi_watchdog(void); | ||
58 | extern void enable_timer_nmi_watchdog(void); | ||
59 | extern int nmi_watchdog_tick(struct pt_regs *regs, unsigned reason); | ||
60 | |||
61 | extern atomic_t nmi_active; | ||
62 | extern unsigned int nmi_watchdog; | ||
63 | #define NMI_DISABLED -1 | ||
64 | #define NMI_NONE 0 | ||
65 | #define NMI_IO_APIC 1 | ||
66 | #define NMI_LOCAL_APIC 2 | ||
67 | #define NMI_INVALID 3 | ||
68 | #define NMI_DEFAULT NMI_DISABLED | ||
69 | |||
70 | struct ctl_table; | ||
71 | struct file; | ||
72 | extern int proc_nmi_enabled(struct ctl_table *, int , struct file *, | ||
73 | void __user *, size_t *, loff_t *); | ||
74 | extern int unknown_nmi_panic; | ||
75 | |||
76 | void __trigger_all_cpu_backtrace(void); | ||
77 | #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() | ||
78 | |||
79 | #endif | ||
80 | |||
81 | void lapic_watchdog_stop(void); | ||
82 | int lapic_watchdog_init(unsigned nmi_hz); | ||
83 | int lapic_wd_event(unsigned nmi_hz); | ||
84 | unsigned lapic_adjust_nmi_hz(unsigned hz); | ||
85 | int lapic_watchdog_ok(void); | ||
86 | void disable_lapic_nmi_watchdog(void); | ||
87 | void enable_lapic_nmi_watchdog(void); | ||
88 | void stop_nmi(void); | ||
89 | void restart_nmi(void); | ||
90 | |||
5 | #endif | 91 | #endif |