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Altera_Forum
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16 years ago

PCIe core MSI-X support

I have added MSI-X support to an implementation of the Altera PCIe core we're already testing in the lab. My understanding, is that with MSI-X enabled in the megawizard and my vector table offset se...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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Do You mean 3-DWord Header TLP and memory write request 32bit addr?

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Or like this – 3 clk:

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Yes, either the first one (if addr mod 8 == 4) or the second one (if addr mod 8 == 0).

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It seems to me that I tried already both variants but they don't work :(

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So it’s probably something else, additionally. Does the system properly enable MSI-X at all? There are systems that do support MSI but don’t support MSI-X.