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Altera_Forum
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17 years ago

How Can I set up DMA operation with my own PC software application?

Hi All: I want to re-use the pcie_highperformancedesign example provided by the Arria GX Development Kit. Now I am confused with the PC software application altpcie_demo.exe. :confused: I a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

I am trying to write a pci driver code to write and read data in to the kernel space..

while i am reading back i am not getting the actual data, sometimes getting segmentation problem. I wanted to know what is maximum memory we can allocate using pci_alloc_consistent().