msi.h 928 B

12345678910111213141516171819202122232425
  1. /*
  2. * Copyright (C) 2003-2004 Intel
  3. * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
  4. */
  5. #ifndef MSI_H
  6. #define MSI_H
  7. #define msi_control_reg(base) (base + PCI_MSI_FLAGS)
  8. #define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO)
  9. #define msi_upper_address_reg(base) (base + PCI_MSI_ADDRESS_HI)
  10. #define msi_data_reg(base, is64bit) \
  11. (base + ((is64bit == 1) ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32))
  12. #define msi_mask_reg(base, is64bit) \
  13. (base + ((is64bit == 1) ? PCI_MSI_MASK_64 : PCI_MSI_MASK_32))
  14. #define is_64bit_address(control) (!!(control & PCI_MSI_FLAGS_64BIT))
  15. #define is_mask_bit_support(control) (!!(control & PCI_MSI_FLAGS_MASKBIT))
  16. #define msix_table_offset_reg(base) (base + PCI_MSIX_TABLE)
  17. #define msix_pba_offset_reg(base) (base + PCI_MSIX_PBA)
  18. #define msix_table_size(control) ((control & PCI_MSIX_FLAGS_QSIZE)+1)
  19. #define multi_msix_capable(control) msix_table_size((control))
  20. #endif /* MSI_H */