projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef ASM_NMI_H |
| 2 | #define ASM_NMI_H | |
| 3 | ||
| 4 | #include <linux/pm.h> | |
| 3e4ff115 | 5 | #include <asm/io.h> |
| 1da177e4 | 6 | |
| 3adbbcce DZ |
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 | */ | |
| 13 | int do_nmi_callback(struct pt_regs *regs, int cpu); | |
| 14 | ||
| 1da177e4 LT |
15 | #ifdef CONFIG_PM |
| 16 | ||
| 17 | /** Replace the PM callback routine for NMI. */ | |
| 18 | struct pm_dev * set_nmi_pm_callback(pm_callback callback); | |
| 19 | ||
| 20 | /** Unset the PM callback routine back to the default. */ | |
| 21 | void unset_nmi_pm_callback(struct pm_dev * dev); | |
| 22 | ||
| 23 | #else | |
| 24 | ||
| 25 | static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback) | |
| 26 | { | |
| 27 | return 0; | |
| 28 | } | |
| 29 | ||
| 30 | static inline void unset_nmi_pm_callback(struct pm_dev * dev) | |
| 31 | { | |
| 32 | } | |
| 33 | ||
| 34 | #endif /* CONFIG_PM */ | |
| 35 | ||
| 36 | extern void default_do_nmi(struct pt_regs *); | |
| fac58550 | 37 | extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); |
| 1da177e4 LT |
38 | |
| 39 | #define get_nmi_reason() inb(0x61) | |
| 40 | ||
| 1da177e4 | 41 | extern int unknown_nmi_panic; |
| 407984f1 | 42 | extern int nmi_watchdog_enabled; |
| 75152114 AK |
43 | |
| 44 | extern int check_nmi_watchdog(void); | |
| 828f0afd DZ |
45 | extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); |
| 46 | extern int avail_to_resrv_perfctr_nmi(unsigned int); | |
| 47 | extern int reserve_perfctr_nmi(unsigned int); | |
| 48 | extern void release_perfctr_nmi(unsigned int); | |
| 49 | extern int reserve_evntsel_nmi(unsigned int); | |
| 50 | extern void release_evntsel_nmi(unsigned int); | |
| 51 | ||
| f2802e7f | 52 | extern void setup_apic_nmi_watchdog (void *); |
| 4038f901 | 53 | extern void stop_apic_nmi_watchdog (void *); |
| 3e4ff115 DZ |
54 | extern void disable_timer_nmi_watchdog(void); |
| 55 | extern void enable_timer_nmi_watchdog(void); | |
| 3adbbcce | 56 | extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); |
| 3e4ff115 DZ |
57 | |
| 58 | extern void nmi_watchdog_default(void); | |
| 3e4ff115 | 59 | |
| f2802e7f | 60 | extern atomic_t nmi_active; |
| 3e4ff115 | 61 | extern unsigned int nmi_watchdog; |
| 0328ecef | 62 | #define NMI_DISABLED -1 |
| 3e4ff115 DZ |
63 | #define NMI_NONE 0 |
| 64 | #define NMI_IO_APIC 1 | |
| 65 | #define NMI_LOCAL_APIC 2 | |
| 66 | #define NMI_INVALID 3 | |
| 0328ecef | 67 | #define NMI_DEFAULT NMI_DISABLED |
| 3e4ff115 | 68 | |
| 29cbc78b AK |
69 | struct ctl_table; |
| 70 | struct file; | |
| 71 | extern int proc_nmi_enabled(struct ctl_table *, int , struct file *, | |
| 72 | void __user *, size_t *, loff_t *); | |
| 73 | ||
| 74 | extern int unknown_nmi_panic; | |
| 75 | ||
| bb81a09e AM |
76 | void __trigger_all_cpu_backtrace(void); |
| 77 | #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() | |
| 78 | ||
| 05cb007d AK |
79 | |
| 80 | void lapic_watchdog_stop(void); | |
| 81 | int lapic_watchdog_init(unsigned nmi_hz); | |
| 82 | int lapic_wd_event(unsigned nmi_hz); | |
| 83 | unsigned lapic_adjust_nmi_hz(unsigned hz); | |
| 84 | int lapic_watchdog_ok(void); | |
| 85 | void disable_lapic_nmi_watchdog(void); | |
| 86 | void enable_lapic_nmi_watchdog(void); | |
| 8f4e956b AK |
87 | void stop_nmi(void); |
| 88 | void restart_nmi(void); | |
| 05cb007d | 89 | |
| 1da177e4 | 90 | #endif /* ASM_NMI_H */ |