msi.h

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/*
 * Copyright (C) 2003-2004 Intel
 * Copyright (C) Tom Long Nguyen ([email protected])
 */

#ifndef MSI_H
#define MSI_H

#define msi_control_reg(base)       (base + PCI_MSI_FLAGS)
#define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO)
#define msi_upper_address_reg(base) (base + PCI_MSI_ADDRESS_HI)
#define msi_data_reg(base, is64bit) \
    (base + ((is64bit == 1) ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32))
#define msi_mask_reg(base, is64bit) \
    (base + ((is64bit == 1) ? PCI_MSI_MASK_64 : PCI_MSI_MASK_32))
#define is_64bit_address(control)   (!!(control & PCI_MSI_FLAGS_64BIT))
#define is_mask_bit_support(control)    (!!(control & PCI_MSI_FLAGS_MASKBIT))

#define msix_table_offset_reg(base) (base + PCI_MSIX_TABLE)
#define msix_pba_offset_reg(base)   (base + PCI_MSIX_PBA)
#define msix_table_size(control)    ((control & PCI_MSIX_FLAGS_QSIZE)+1)
#define multi_msix_capable(control) msix_table_size((control))

#endif /* MSI_H */