-#ifndef _ASM_X86_NMI_H_
-#define _ASM_X86_NMI_H_
+#ifndef ASM_X86__NMI_H
+#define ASM_X86__NMI_H
#include <linux/pm.h>
#include <asm/irq.h>
#ifdef CONFIG_X86_64
extern void default_do_nmi(struct pt_regs *);
-extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
-extern void nmi_watchdog_default(void);
-#else
-#define nmi_watchdog_default() do {} while (0)
#endif
+extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
extern int check_nmi_watchdog(void);
extern int nmi_watchdog_enabled;
extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
extern void disable_timer_nmi_watchdog(void);
extern void enable_timer_nmi_watchdog(void);
extern int nmi_watchdog_tick(struct pt_regs *regs, unsigned reason);
+extern void cpu_nmi_set_wd_enabled(void);
extern atomic_t nmi_active;
extern unsigned int nmi_watchdog;
-#define NMI_DISABLED -1
#define NMI_NONE 0
#define NMI_IO_APIC 1
#define NMI_LOCAL_APIC 2
#define NMI_INVALID 3
-#define NMI_DEFAULT NMI_DISABLED
struct ctl_table;
struct file;
void __trigger_all_cpu_backtrace(void);
#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
+static inline void localise_nmi_watchdog(void)
+{
+ if (nmi_watchdog == NMI_IO_APIC)
+ nmi_watchdog = NMI_LOCAL_APIC;
+}
+
+/* check if nmi_watchdog is active (ie was specified at boot) */
+static inline int nmi_watchdog_active(void)
+{
+ /*
+ * actually it should be:
+ * return (nmi_watchdog == NMI_LOCAL_APIC ||
+ * nmi_watchdog == NMI_IO_APIC)
+ * but since they are power of two we could use a
+ * cheaper way --cvg
+ */
+ return nmi_watchdog & 0x3;
+}
#endif
void lapic_watchdog_stop(void);
void stop_nmi(void);
void restart_nmi(void);
-#endif
+#endif /* ASM_X86__NMI_H */