fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-x86_64 / nmi.h

diff --git a/include/asm-x86_64/nmi.h b/include/asm-x86_64/nmi.h
index d3abfc6..680cece 100644 (file)
--- a/include/asm-x86_64/nmi.h
+++ b/include/asm-x86_64/nmi.h
@@ -5,26 +5,20 @@
 #define ASM_NMI_H
 
 #include <linux/pm.h>
+#include <asm/io.h>
  
-struct pt_regs;
- 
-typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
- 
-/** 
- * set_nmi_callback
- *
- * Set a handler for an NMI. Only one handler may be
- * set. Return 1 if the NMI was handled.
- */
-void set_nmi_callback(nmi_callback_t callback);
- 
-/** 
- * unset_nmi_callback
+#ifdef CONFIG_XEN
+#include <xen/interface/nmi.h>
+#endif
+
+/**
+ * do_nmi_callback
  *
- * Remove the handler previously set.
+ * Check to see if a callback exists and execute it.  Return 1
+ * if the handler exists and was handled successfully.
  */
-void unset_nmi_callback(void);
- 
+int do_nmi_callback(struct pt_regs *regs, int cpu);
+
 #ifdef CONFIG_PM
  
 /** Replace the PM callback routine for NMI. */
@@ -47,13 +41,65 @@ static inline void unset_nmi_pm_callback(struct pm_dev * dev)
 #endif /* CONFIG_PM */
  
 extern void default_do_nmi(struct pt_regs *);
-extern void die_nmi(char *str, struct pt_regs *regs);
+extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
+
+#ifdef CONFIG_XEN
+static inline unsigned char get_nmi_reason(void)
+{
+        shared_info_t *s = HYPERVISOR_shared_info;
+        unsigned char reason = 0;
+
+        /* construct a value which looks like it came from
+         * port 0x61.
+         */
+        if (test_bit(_XEN_NMIREASON_io_error, &s->arch.nmi_reason))
+                reason |= 0x40;
+        if (test_bit(_XEN_NMIREASON_parity_error, &s->arch.nmi_reason))
+                reason |= 0x80;
 
+        return reason;
+}
+#else
 #define get_nmi_reason() inb(0x61)
+#endif
 
 extern int panic_on_timeout;
 extern int unknown_nmi_panic;
+extern int nmi_watchdog_enabled;
 
 extern int check_nmi_watchdog(void);
- 
+extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
+extern int avail_to_resrv_perfctr_nmi(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);
+
+extern void setup_apic_nmi_watchdog (void *);
+extern void stop_apic_nmi_watchdog (void *);
+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 nmi_watchdog_default(void);
+extern int setup_nmi_watchdog(char *);
+
+extern atomic_t nmi_active;
+extern unsigned int nmi_watchdog;
+#define NMI_DEFAULT    -1
+#define NMI_NONE       0
+#define NMI_IO_APIC    1
+#define NMI_LOCAL_APIC 2
+#define NMI_INVALID    3
+
+struct ctl_table;
+struct file;
+extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
+                       void __user *, size_t *, loff_t *);
+
+extern int unknown_nmi_panic;
+
+void __trigger_all_cpu_backtrace(void);
+#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
+
 #endif /* ASM_NMI_H */