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Altera_Forum
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11 years ago

PCIe MSI interrupt sharing problem

Hi, MSI shared for DMA Read and Write. In ISR() routine, checks status to determine read or write completion. Either there is missing MSI or Read completion MSI can be mistaking as Write comple...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Thank TCWorld,

First, this is a edited version of ISR() for easy to read. So I removed some unnecessary lines of code. FDO obj is obtained on the first line of the routine:

FdoData = FdoGetData(WdfInterruptGetDevice(Interrupt));

sorry for misleading.

Let me modify as you instructed. let you know the results.

Thank you