| #ifndef _ASM_X86_NMI_H |
| #define _ASM_X86_NMI_H |
| |
| #include <linux/pm.h> |
| #include <asm/irq.h> |
| #include <asm/io.h> |
| |
| #ifdef CONFIG_X86_LOCAL_APIC |
| |
| extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); |
| extern int reserve_perfctr_nmi(unsigned int); |
| extern void release_perfctr_nmi(unsigned int); |
| extern int reserve_evntsel_nmi(unsigned int); |
| extern void release_evntsel_nmi(unsigned int); |
| |
| struct ctl_table; |
| extern int proc_nmi_enabled(struct ctl_table *, int , |
| void __user *, size_t *, loff_t *); |
| extern int unknown_nmi_panic; |
| |
| void arch_trigger_all_cpu_backtrace(void); |
| #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace |
| #endif |
| |
| /* |
| * Define some priorities for the nmi notifier call chain. |
| * |
| * Create a local nmi bit that has a higher priority than |
| * external nmis, because the local ones are more frequent. |
| * |
| * Also setup some default high/normal/low settings for |
| * subsystems to registers with. Using 4 bits to seperate |
| * the priorities. This can go alot higher if needed be. |
| */ |
| |
| #define NMI_LOCAL_SHIFT 16 /* randomly picked */ |
| #define NMI_LOCAL_BIT (1ULL << NMI_LOCAL_SHIFT) |
| #define NMI_HIGH_PRIOR (1ULL << 8) |
| #define NMI_NORMAL_PRIOR (1ULL << 4) |
| #define NMI_LOW_PRIOR (1ULL << 0) |
| #define NMI_LOCAL_HIGH_PRIOR (NMI_LOCAL_BIT | NMI_HIGH_PRIOR) |
| #define NMI_LOCAL_NORMAL_PRIOR (NMI_LOCAL_BIT | NMI_NORMAL_PRIOR) |
| #define NMI_LOCAL_LOW_PRIOR (NMI_LOCAL_BIT | NMI_LOW_PRIOR) |
| |
| void stop_nmi(void); |
| void restart_nmi(void); |
| |
| #endif /* _ASM_X86_NMI_H */ |