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kernel/linux-rt-4.4.41/arch/ia64/include/asm/msidef.h 1.37 KB
5113f6f70   김현기   kernel add
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  #ifndef _IA64_MSI_DEF_H
  #define _IA64_MSI_DEF_H
  
  /*
   * Shifts for APIC-based data
   */
  
  #define     MSI_DATA_VECTOR_SHIFT	0
  #define	    MSI_DATA_VECTOR(v)		(((u8)v) << MSI_DATA_VECTOR_SHIFT)
  #define     MSI_DATA_VECTOR_MASK	0xffffff00
  
  #define     MSI_DATA_DELIVERY_MODE_SHIFT	8
  #define     MSI_DATA_DELIVERY_FIXED	(0 << MSI_DATA_DELIVERY_MODE_SHIFT)
  #define     MSI_DATA_DELIVERY_LOWPRI	(1 << MSI_DATA_DELIVERY_MODE_SHIFT)
  
  #define     MSI_DATA_LEVEL_SHIFT	14
  #define     MSI_DATA_LEVEL_DEASSERT	(0 << MSI_DATA_LEVEL_SHIFT)
  #define     MSI_DATA_LEVEL_ASSERT	(1 << MSI_DATA_LEVEL_SHIFT)
  
  #define     MSI_DATA_TRIGGER_SHIFT	15
  #define     MSI_DATA_TRIGGER_EDGE	(0 << MSI_DATA_TRIGGER_SHIFT)
  #define     MSI_DATA_TRIGGER_LEVEL	(1 << MSI_DATA_TRIGGER_SHIFT)
  
  /*
   * Shift/mask fields for APIC-based bus address
   */
  
  #define     MSI_ADDR_DEST_ID_SHIFT	4
  #define     MSI_ADDR_HEADER		0xfee00000
  
  #define     MSI_ADDR_DEST_ID_MASK	0xfff0000f
  #define     MSI_ADDR_DEST_ID_CPU(cpu)	((cpu) << MSI_ADDR_DEST_ID_SHIFT)
  
  #define     MSI_ADDR_DEST_MODE_SHIFT	2
  #define     MSI_ADDR_DEST_MODE_PHYS	(0 << MSI_ADDR_DEST_MODE_SHIFT)
  #define	    MSI_ADDR_DEST_MODE_LOGIC	(1 << MSI_ADDR_DEST_MODE_SHIFT)
  
  #define     MSI_ADDR_REDIRECTION_SHIFT	3
  #define     MSI_ADDR_REDIRECTION_CPU	(0 << MSI_ADDR_REDIRECTION_SHIFT)
  #define     MSI_ADDR_REDIRECTION_LOWPRI	(1 << MSI_ADDR_REDIRECTION_SHIFT)
  
  #endif/* _IA64_MSI_DEF_H */