Hello,
I have a 10 GigE PCIe card used for data network that we are doing
pci-passthrough to our VM. The software interfacing with the card requires a
large memory space of 4-16GB. We encounter problems immediately when the
software starts because the PCI BAR is using 32-bit addressing, but the card is
looking for 64-bit addressing.I looked at the qemu command line and the
pci-passthrough is using vfio driver. Is there a parameter, or configuration
setting that can be altered to support 64-bit BAR addressing? I am running
CentOS 7.3 with qemu version 2.0.0-1.
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