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Ursa
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5 years ago

PCIe Avalon-MM DMA MSIs assignment of AN829

Dear All, Before starting our own project, I am trying to program the Windows KMDF driver firstly on Arria 10 GX dev board based on the AN829 example. In the doc of AN829, I found the "Number of ...
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    Ursa
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    5 years ago

    @Rahul_S_Intel1 Hi Rahul,

    Thanks for guiding. Looks like I need to access the register 0x3060(PCI Express to Avalon-MM Interrupt Status Register for Endpoints) to distinguish the signals, but I don't know how to access Avalon-MM Control and Status Register Address Spaces from Windows side. Should I expose these spaces through a BAR? Any suggestions? Thank you very much.

  • Ursa's avatar
    Ursa
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    5 years ago

    @Rahul_S_Intel1 Hi Rahul,

    Thanks for guiding. Looks like I need to access the register 0x3060(PCI Express to Avalon-MM Interrupt Status Register for Endpoints) to distinguish the MSI signals. But I don't know how to access the Avalon-MM Control and Status Register Address Spaces from Windows side. Should I expose these address spaces through a BAR? Any suggestions? Thank you very much.

    Regards,

    Ursa