Commit | Line | Data |
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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 | |
1da177e4 | 9 | struct pt_regs; |
3e4ff115 | 10 | |
1da177e4 | 11 | typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu); |
3e4ff115 DZ |
12 | |
13 | /** | |
1da177e4 LT |
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); | |
3e4ff115 DZ |
20 | |
21 | /** | |
1da177e4 LT |
22 | * unset_nmi_callback |
23 | * | |
24 | * Remove the handler previously set. | |
25 | */ | |
26 | void unset_nmi_callback(void); | |
3e4ff115 | 27 | |
828f0afd DZ |
28 | extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); |
29 | extern int avail_to_resrv_perfctr_nmi(unsigned int); | |
30 | extern int reserve_perfctr_nmi(unsigned int); | |
31 | extern void release_perfctr_nmi(unsigned int); | |
32 | extern int reserve_evntsel_nmi(unsigned int); | |
33 | extern void release_evntsel_nmi(unsigned int); | |
34 | ||
b7471c6d | 35 | extern void setup_apic_nmi_watchdog (void *); |
3e4ff115 DZ |
36 | extern int reserve_lapic_nmi(void); |
37 | extern void release_lapic_nmi(void); | |
38 | extern void disable_timer_nmi_watchdog(void); | |
39 | extern void enable_timer_nmi_watchdog(void); | |
3adbbcce | 40 | extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); |
3e4ff115 | 41 | |
b7471c6d | 42 | extern atomic_t nmi_active; |
3e4ff115 DZ |
43 | extern unsigned int nmi_watchdog; |
44 | #define NMI_DEFAULT -1 | |
45 | #define NMI_NONE 0 | |
46 | #define NMI_IO_APIC 1 | |
47 | #define NMI_LOCAL_APIC 2 | |
48 | #define NMI_INVALID 3 | |
49 | ||
1da177e4 | 50 | #endif /* ASM_NMI_H */ |