release/src-rt-6.x.4708/linux/linux-2.6.36/arch/ia64/include/asm/msidef.h

   1 #ifndef _IA64_MSI_DEF_H
   2 #define _IA64_MSI_DEF_H
   3
   4 /*
   5  * Shifts for APIC-based data
   6  */
   7
   8 #define     MSI_DATA_VECTOR_SHIFT       0
   9 #define     MSI_DATA_VECTOR(v)          (((u8)v) << MSI_DATA_VECTOR_SHIFT)
  10 #define     MSI_DATA_VECTOR_MASK        0xffffff00
  11
  12 #define     MSI_DATA_DELIVERY_MODE_SHIFT        8
  13 #define     MSI_DATA_DELIVERY_FIXED     (0 << MSI_DATA_DELIVERY_MODE_SHIFT)
  14 #define     MSI_DATA_DELIVERY_LOWPRI    (1 << MSI_DATA_DELIVERY_MODE_SHIFT)
  15
  16 #define     MSI_DATA_LEVEL_SHIFT        14
  17 #define     MSI_DATA_LEVEL_DEASSERT     (0 << MSI_DATA_LEVEL_SHIFT)
  18 #define     MSI_DATA_LEVEL_ASSERT       (1 << MSI_DATA_LEVEL_SHIFT)
  19
  20 #define     MSI_DATA_TRIGGER_SHIFT      15
  21 #define     MSI_DATA_TRIGGER_EDGE       (0 << MSI_DATA_TRIGGER_SHIFT)
  22 #define     MSI_DATA_TRIGGER_LEVEL      (1 << MSI_DATA_TRIGGER_SHIFT)
  23
  24 /*
  25  * Shift/mask fields for APIC-based bus address
  26  */
  27
  28 #define     MSI_ADDR_DEST_ID_SHIFT      4
  29 #define     MSI_ADDR_HEADER             0xfee00000
  30
  31 #define     MSI_ADDR_DEST_ID_MASK       0xfff0000f
  32 #define     MSI_ADDR_DEST_ID_CPU(cpu)   ((cpu) << MSI_ADDR_DEST_ID_SHIFT)
  33
  34 #define     MSI_ADDR_DEST_MODE_SHIFT    2
  35 #define     MSI_ADDR_DEST_MODE_PHYS     (0 << MSI_ADDR_DEST_MODE_SHIFT)
  36 #define     MSI_ADDR_DEST_MODE_LOGIC    (1 << MSI_ADDR_DEST_MODE_SHIFT)
  37
  38 #define     MSI_ADDR_REDIRECTION_SHIFT  3
  39 #define     MSI_ADDR_REDIRECTION_CPU    (0 << MSI_ADDR_REDIRECTION_SHIFT)
  40 #define     MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
  41
  42 #endif/* _IA64_MSI_DEF_H */