blob: 269d315719ca422d478e7d18cd441cf71c44438d [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/asm-i386/nmi.h
3 */
4#ifndef ASM_NMI_H
5#define ASM_NMI_H
6
7#include <linux/pm.h>
Don Zickus3e4ff112006-06-26 13:57:01 +02008
Don Zickus3e4ff112006-06-26 13:57:01 +02009/**
Don Zickus2fbe7b22006-09-26 10:52:27 +020010 * do_nmi_callback
Linus Torvalds1da177e2005-04-16 15:20:36 -070011 *
Don Zickus2fbe7b22006-09-26 10:52:27 +020012 * Check to see if a callback exists and execute it. Return 1
13 * if the handler exists and was handled successfully.
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 */
Don Zickus2fbe7b22006-09-26 10:52:27 +020015int do_nmi_callback(struct pt_regs *regs, int cpu);
Don Zickus3e4ff112006-06-26 13:57:01 +020016
Don Zickus407984f2006-09-26 10:52:27 +020017extern int nmi_watchdog_enabled;
Don Zickus828f0af2006-09-26 10:52:26 +020018extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
19extern int avail_to_resrv_perfctr_nmi(unsigned int);
20extern int reserve_perfctr_nmi(unsigned int);
21extern void release_perfctr_nmi(unsigned int);
22extern int reserve_evntsel_nmi(unsigned int);
23extern void release_evntsel_nmi(unsigned int);
24
Don Zickusb7471c62006-09-26 10:52:26 +020025extern void setup_apic_nmi_watchdog (void *);
Shaohua Li4038f902006-09-26 10:52:27 +020026extern void stop_apic_nmi_watchdog (void *);
Don Zickus3e4ff112006-06-26 13:57:01 +020027extern void disable_timer_nmi_watchdog(void);
28extern void enable_timer_nmi_watchdog(void);
Don Zickus3adbbcc2006-09-26 10:52:26 +020029extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
Don Zickus3e4ff112006-06-26 13:57:01 +020030
Don Zickusb7471c62006-09-26 10:52:26 +020031extern atomic_t nmi_active;
Don Zickus3e4ff112006-06-26 13:57:01 +020032extern unsigned int nmi_watchdog;
33#define NMI_DEFAULT -1
34#define NMI_NONE 0
35#define NMI_IO_APIC 1
36#define NMI_LOCAL_APIC 2
37#define NMI_INVALID 3
38
Andi Kleen29cbc782006-09-30 01:47:55 +020039struct ctl_table;
40struct file;
41extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
42 void __user *, size_t *, loff_t *);
43extern int unknown_nmi_panic;
44
Linus Torvalds1da177e2005-04-16 15:20:36 -070045#endif /* ASM_NMI_H */