LXR linux/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 */
  43