1 /* 2 * Copyright (C) 2003-2004 Intel 3 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) 4 */ 5 6 #ifndef MSI_H 7 #define MSI_H 8 9 #define msi_control_reg(base) (base + PCI_MSI_FLAGS) 10 #define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO) 11 #define msi_upper_address_reg(base) (base + PCI_MSI_ADDRESS_HI) 12 #define msi_data_reg(base, is64bit) \ 13 (base + ((is64bit == 1) ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32)) 14 #define msi_mask_reg(base, is64bit) \ 15 (base + ((is64bit == 1) ? PCI_MSI_MASK_64 : PCI_MSI_MASK_32)) 16 #define is_64bit_address(control) (!!(control & PCI_MSI_FLAGS_64BIT)) 17 #define is_mask_bit_support(control) (!!(control & PCI_MSI_FLAGS_MASKBIT)) 18 19 #define msix_table_offset_reg(base) (base + PCI_MSIX_TABLE) 20 #define msix_pba_offset_reg(base) (base + PCI_MSIX_PBA) 21 #define msix_table_size(control) ((control & PCI_MSIX_FLAGS_QSIZE)+1) 22 #define multi_msix_capable(control) msix_table_size((control)) 23 24 #endif /* MSI_H */ 25