projects / deliverable / linux.git / blame
| 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 LT |
9 | |
| 10 | struct pt_regs; | |
| 3e4ff115 | 11 | |
| 1da177e4 | 12 | typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu); |
| 3e4ff115 DZ |
13 | |
| 14 | /** | |
| 1da177e4 LT |
15 | * set_nmi_callback |
| 16 | * | |
| 17 | * Set a handler for an NMI. Only one handler may be | |
| 18 | * set. Return 1 if the NMI was handled. | |
| 19 | */ | |
| 20 | void set_nmi_callback(nmi_callback_t callback); | |
| 3e4ff115 DZ |
21 | |
| 22 | /** | |
| 1da177e4 LT |
23 | * unset_nmi_callback |
| 24 | * | |
| 25 | * Remove the handler previously set. | |
| 26 | */ | |
| 27 | void unset_nmi_callback(void); | |
| 3e4ff115 | 28 | |
| 1da177e4 LT |
29 | #ifdef CONFIG_PM |
| 30 | ||
| 31 | /** Replace the PM callback routine for NMI. */ | |
| 32 | struct pm_dev * set_nmi_pm_callback(pm_callback callback); | |
| 33 | ||
| 34 | /** Unset the PM callback routine back to the default. */ | |
| 35 | void unset_nmi_pm_callback(struct pm_dev * dev); | |
| 36 | ||
| 37 | #else | |
| 38 | ||
| 39 | static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback) | |
| 40 | { | |
| 41 | return 0; | |
| 42 | } | |
| 43 | ||
| 44 | static inline void unset_nmi_pm_callback(struct pm_dev * dev) | |
| 45 | { | |
| 46 | } | |
| 47 | ||
| 48 | #endif /* CONFIG_PM */ | |
| 49 | ||
| 50 | extern void default_do_nmi(struct pt_regs *); | |
| 51 | extern void die_nmi(char *str, struct pt_regs *regs); | |
| 52 | ||
| 53 | #define get_nmi_reason() inb(0x61) | |
| 54 | ||
| 55 | extern int panic_on_timeout; | |
| 56 | extern int unknown_nmi_panic; | |
| 75152114 AK |
57 | |
| 58 | extern int check_nmi_watchdog(void); | |
| 1da177e4 | 59 | |
| 3e4ff115 DZ |
60 | extern void setup_apic_nmi_watchdog (void); |
| 61 | extern int reserve_lapic_nmi(void); | |
| 62 | extern void release_lapic_nmi(void); | |
| 63 | extern void disable_timer_nmi_watchdog(void); | |
| 64 | extern void enable_timer_nmi_watchdog(void); | |
| 65 | extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); | |
| 66 | ||
| 67 | extern void nmi_watchdog_default(void); | |
| 68 | extern int setup_nmi_watchdog(char *); | |
| 69 | ||
| 70 | extern unsigned int nmi_watchdog; | |
| 71 | #define NMI_DEFAULT -1 | |
| 72 | #define NMI_NONE 0 | |
| 73 | #define NMI_IO_APIC 1 | |
| 74 | #define NMI_LOCAL_APIC 2 | |
| 75 | #define NMI_INVALID 3 | |
| 76 | ||
| 1da177e4 | 77 | #endif /* ASM_NMI_H */ |