fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-x86 / nmi_64.h
blob65b6acf3bb593af5edd4460d9a8bd3cdb32ff924
1 /*
2 * linux/include/asm-i386/nmi.h
3 */
4 #ifndef ASM_NMI_H
5 #define ASM_NMI_H
7 #include <linux/pm.h>
8 #include <asm/io.h>
10 /**
11 * do_nmi_callback
13 * Check to see if a callback exists and execute it. Return 1
14 * if the handler exists and was handled successfully.
16 int do_nmi_callback(struct pt_regs *regs, int cpu);
18 #ifdef CONFIG_PM
20 /** Replace the PM callback routine for NMI. */
21 struct pm_dev * set_nmi_pm_callback(pm_callback callback);
23 /** Unset the PM callback routine back to the default. */
24 void unset_nmi_pm_callback(struct pm_dev * dev);
26 #else
28 static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback)
30 return 0;
33 static inline void unset_nmi_pm_callback(struct pm_dev * dev)
37 #endif /* CONFIG_PM */
39 extern void default_do_nmi(struct pt_regs *);
40 extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
42 #define get_nmi_reason() inb(0x61)
44 extern int panic_on_timeout;
45 extern int unknown_nmi_panic;
46 extern int nmi_watchdog_enabled;
48 extern int check_nmi_watchdog(void);
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);
56 extern void setup_apic_nmi_watchdog (void *);
57 extern void stop_apic_nmi_watchdog (void *);
58 extern void disable_timer_nmi_watchdog(void);
59 extern void enable_timer_nmi_watchdog(void);
60 extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
62 extern void nmi_watchdog_default(void);
63 extern int setup_nmi_watchdog(char *);
65 extern atomic_t nmi_active;
66 extern unsigned int nmi_watchdog;
67 #define NMI_DISABLED -1
68 #define NMI_NONE 0
69 #define NMI_IO_APIC 1
70 #define NMI_LOCAL_APIC 2
71 #define NMI_INVALID 3
72 #define NMI_DEFAULT NMI_DISABLED
74 struct ctl_table;
75 struct file;
76 extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
77 void __user *, size_t *, loff_t *);
79 extern int unknown_nmi_panic;
81 void __trigger_all_cpu_backtrace(void);
82 #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
85 void lapic_watchdog_stop(void);
86 int lapic_watchdog_init(unsigned nmi_hz);
87 int lapic_wd_event(unsigned nmi_hz);
88 unsigned lapic_adjust_nmi_hz(unsigned hz);
89 int lapic_watchdog_ok(void);
90 void disable_lapic_nmi_watchdog(void);
91 void enable_lapic_nmi_watchdog(void);
92 void stop_nmi(void);
93 void restart_nmi(void);
95 #endif /* ASM_NMI_H */