msidef.h 1.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _IA64_MSI_DEF_H
  3. #define _IA64_MSI_DEF_H
  4. /*
  5. * Shifts for APIC-based data
  6. */
  7. #define MSI_DATA_VECTOR_SHIFT 0
  8. #define MSI_DATA_VECTOR(v) (((u8)v) << MSI_DATA_VECTOR_SHIFT)
  9. #define MSI_DATA_VECTOR_MASK 0xffffff00
  10. #define MSI_DATA_DELIVERY_MODE_SHIFT 8
  11. #define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_MODE_SHIFT)
  12. #define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_MODE_SHIFT)
  13. #define MSI_DATA_LEVEL_SHIFT 14
  14. #define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT)
  15. #define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT)
  16. #define MSI_DATA_TRIGGER_SHIFT 15
  17. #define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT)
  18. #define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT)
  19. /*
  20. * Shift/mask fields for APIC-based bus address
  21. */
  22. #define MSI_ADDR_DEST_ID_SHIFT 4
  23. #define MSI_ADDR_HEADER 0xfee00000
  24. #define MSI_ADDR_DEST_ID_MASK 0xfff0000f
  25. #define MSI_ADDR_DEST_ID_CPU(cpu) ((cpu) << MSI_ADDR_DEST_ID_SHIFT)
  26. #define MSI_ADDR_DEST_MODE_SHIFT 2
  27. #define MSI_ADDR_DEST_MODE_PHYS (0 << MSI_ADDR_DEST_MODE_SHIFT)
  28. #define MSI_ADDR_DEST_MODE_LOGIC (1 << MSI_ADDR_DEST_MODE_SHIFT)
  29. #define MSI_ADDR_REDIRECTION_SHIFT 3
  30. #define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT)
  31. #define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
  32. #endif/* _IA64_MSI_DEF_H */