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kernel/linux-rt-4.4.41/arch/x86/include/asm/xen/events.h 767 Bytes
5113f6f70   김현기   kernel add
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  #ifndef _ASM_X86_XEN_EVENTS_H
  #define _ASM_X86_XEN_EVENTS_H
  
  enum ipi_vector {
  	XEN_RESCHEDULE_VECTOR,
  	XEN_CALL_FUNCTION_VECTOR,
  	XEN_CALL_FUNCTION_SINGLE_VECTOR,
  	XEN_SPIN_UNLOCK_VECTOR,
  	XEN_IRQ_WORK_VECTOR,
  	XEN_NMI_VECTOR,
  
  	XEN_NR_IPIS,
  };
  
  static inline int xen_irqs_disabled(struct pt_regs *regs)
  {
  	return raw_irqs_disabled_flags(regs->flags);
  }
  
  /* No need for a barrier -- XCHG is a barrier on x86. */
  #define xchg_xen_ulong(ptr, val) xchg((ptr), (val))
  
  extern int xen_have_vector_callback;
  
  /*
   * Events delivered via platform PCI interrupts are always
   * routed to vcpu 0 and hence cannot be rebound.
   */
  static inline bool xen_support_evtchn_rebind(void)
  {
  	return (!xen_hvm_domain() || xen_have_vector_callback);
  }
  
  #endif /* _ASM_X86_XEN_EVENTS_H */