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Altera_Forum's avatar
Altera_Forum
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10 years ago

PCIe MSI Interrupt

HI, I have Cyclone V/GT with Gen2 4 lane DMA example design. The FPGA card is plugged into PC running Windows 7. I wrote a windows driver. It seems that the MSI interrupt is not received. After t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Hi Tiger

For your information, the MSI interrupt message is the same as regular memory write TLP, the only difference would the address.

One things need to clarify with you, do you have problem to do any other memory write to the host, besides the MSI-X message?