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Altera_Forum
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10 years ago

MSI-X Interrupt is not generating on Cycleon V FPGA board

I am working on X86 PCIe Linux Driver to implement MSI-X Interrupt on Cycleon V FPGA board with reference design taken from Qsys. I have followed below steps in linux driver to enable MSI-X ...
Altera_Forum's avatar
Altera_Forum
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10 years ago

Hi Ritesh.Thanks for your reply.

In my case, if I enable more than one MSI-X the function pci_enable_msix_range() returns negative number. I use 64 bit address. I try use MSI, but situation is same (works only one interrupt).