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gerrit-public.fairphone.software / kernel / msm-4.9 / e9ddc0f25ce524d257e6cf779e495f567ed7678f / . / include / asm-x86 / nmi_64.h
blob: 2eeb74e5f3ff6d13c2635f50a8b9f3edf1c7a514 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1#ifndef ASM_NMI_H
2#define ASM_NMI_H
3
4#include <linux/pm.h>
Don Zickus3e4ff112006-06-26 13:57:01 +0200[diff] [blame]5#include <asm/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]6
Don Zickus3adbbcc2006-09-26 10:52:26 +0200[diff] [blame]7/**
8 * do_nmi_callback
9 *
10 * Check to see if a callback exists and execute it. Return 1
11 * if the handler exists and was handled successfully.
12 */
13int do_nmi_callback(struct pt_regs *regs, int cpu);
14
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]15#ifdef CONFIG_PM
16
17/** Replace the PM callback routine for NMI. */
18struct pm_dev * set_nmi_pm_callback(pm_callback callback);
19
20/** Unset the PM callback routine back to the default. */
21void unset_nmi_pm_callback(struct pm_dev * dev);
22
23#else
24
25static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback)
26{
27 return 0;
28}
29
30static inline void unset_nmi_pm_callback(struct pm_dev * dev)
31{
32}
33
34#endif /* CONFIG_PM */
35
36extern void default_do_nmi(struct pt_regs *);
Andi Kleenfac58552006-09-26 10:52:27 +0200[diff] [blame]37extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]38
39#define get_nmi_reason() inb(0x61)
40
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]41extern int unknown_nmi_panic;
Don Zickus407984f2006-09-26 10:52:27 +0200[diff] [blame]42extern int nmi_watchdog_enabled;
Andi Kleen75152112005-05-16 21:53:34 -0700[diff] [blame]43
44extern int check_nmi_watchdog(void);
Don Zickus828f0af2006-09-26 10:52:26 +0200[diff] [blame]45extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
46extern int avail_to_resrv_perfctr_nmi(unsigned int);
47extern int reserve_perfctr_nmi(unsigned int);
48extern void release_perfctr_nmi(unsigned int);
49extern int reserve_evntsel_nmi(unsigned int);
50extern void release_evntsel_nmi(unsigned int);
51
Don Zickusf2802e72006-09-26 10:52:26 +0200[diff] [blame]52extern void setup_apic_nmi_watchdog (void *);
Shaohua Li4038f902006-09-26 10:52:27 +0200[diff] [blame]53extern void stop_apic_nmi_watchdog (void *);
Don Zickus3e4ff112006-06-26 13:57:01 +0200[diff] [blame]54extern void disable_timer_nmi_watchdog(void);
55extern void enable_timer_nmi_watchdog(void);
Don Zickus3adbbcc2006-09-26 10:52:26 +0200[diff] [blame]56extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
Don Zickus3e4ff112006-06-26 13:57:01 +0200[diff] [blame]57
58extern void nmi_watchdog_default(void);
Don Zickus3e4ff112006-06-26 13:57:01 +0200[diff] [blame]59
Don Zickusf2802e72006-09-26 10:52:26 +0200[diff] [blame]60extern atomic_t nmi_active;
Don Zickus3e4ff112006-06-26 13:57:01 +0200[diff] [blame]61extern unsigned int nmi_watchdog;
Daniel Gollub0328ece2007-08-15 02:40:35 +0200[diff] [blame]62#define NMI_DISABLED -1
Don Zickus3e4ff112006-06-26 13:57:01 +0200[diff] [blame]63#define NMI_NONE 0
64#define NMI_IO_APIC 1
65#define NMI_LOCAL_APIC 2
66#define NMI_INVALID 3
Daniel Gollub0328ece2007-08-15 02:40:35 +0200[diff] [blame]67#define NMI_DEFAULT NMI_DISABLED
Don Zickus3e4ff112006-06-26 13:57:01 +0200[diff] [blame]68
Andi Kleen29cbc782006-09-30 01:47:55 +0200[diff] [blame]69struct ctl_table;
70struct file;
71extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
72 void __user *, size_t *, loff_t *);
73
74extern int unknown_nmi_panic;
75
Andrew Mortonbb81a092006-12-07 02:14:01 +0100[diff] [blame]76void __trigger_all_cpu_backtrace(void);
77#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
78
Andi Kleen05cb0072007-05-02 19:27:20 +0200[diff] [blame]79
80void lapic_watchdog_stop(void);
81int lapic_watchdog_init(unsigned nmi_hz);
82int lapic_wd_event(unsigned nmi_hz);
83unsigned lapic_adjust_nmi_hz(unsigned hz);
84int lapic_watchdog_ok(void);
85void disable_lapic_nmi_watchdog(void);
86void enable_lapic_nmi_watchdog(void);
Andi Kleen8f4e9562007-07-22 11:12:32 +0200[diff] [blame]87void stop_nmi(void);
88void restart_nmi(void);
Andi Kleen05cb0072007-05-02 19:27:20 +0200[diff] [blame]89
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]90#endif /* ASM_NMI_H */