msidef.h 1.4 KB

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