Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
| 8 | |
| 9 | struct pt_regs; |
| 10 | |
| 11 | typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu); |
| 12 | |
| 13 | /** |
| 14 | * set_nmi_callback |
| 15 | * |
| 16 | * Set a handler for an NMI. Only one handler may be |
| 17 | * set. Return 1 if the NMI was handled. |
| 18 | */ |
| 19 | void set_nmi_callback(nmi_callback_t callback); |
| 20 | |
| 21 | /** |
| 22 | * unset_nmi_callback |
| 23 | * |
| 24 | * Remove the handler previously set. |
| 25 | */ |
| 26 | void unset_nmi_callback(void); |
| 27 | |
| 28 | #ifdef CONFIG_PM |
| 29 | |
| 30 | /** Replace the PM callback routine for NMI. */ |
| 31 | struct pm_dev * set_nmi_pm_callback(pm_callback callback); |
| 32 | |
| 33 | /** Unset the PM callback routine back to the default. */ |
| 34 | void unset_nmi_pm_callback(struct pm_dev * dev); |
| 35 | |
| 36 | #else |
| 37 | |
| 38 | static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback) |
| 39 | { |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | static inline void unset_nmi_pm_callback(struct pm_dev * dev) |
| 44 | { |
| 45 | } |
| 46 | |
| 47 | #endif /* CONFIG_PM */ |
| 48 | |
| 49 | extern void default_do_nmi(struct pt_regs *); |
| 50 | extern void die_nmi(char *str, struct pt_regs *regs); |
| 51 | |
| 52 | #define get_nmi_reason() inb(0x61) |
| 53 | |
| 54 | extern int panic_on_timeout; |
| 55 | extern int unknown_nmi_panic; |
Andi Kleen | 7515211 | 2005-05-16 21:53:34 -0700 | [diff] [blame^] | 56 | |
| 57 | extern int check_nmi_watchdog(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
| 59 | #endif /* ASM_NMI_H */ |