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2020 ACRN Project Technical Community Meeting Minutes - WW14'20
ACRN Project TCM - 1st Apr 2020
Attendees (Total 42, 1/4)
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Download foil from ACRN Presentation->ACRN_TCM->WW14’20
SR-IOV On ACRN introduction, we will talk about SR-IOV overview, SR-IOV architecture and implementation on ACRN, one demonstration based on SR-IOV-capable NIC.
Q1: Read-Only SR-IOV register settings are from BIOS.
Q2: One physical SR-IOV device may have several PFs for each function, but one function only has one PF, which is defined in the device driver.
Q3:Default VF BAR memory is 4K bit, but could be changed by System Page Size.
Q4.SOS will manage and pass through related VFs to each VMs.
Q5.ACRN config_tool doesn’t support configuring VFs to VMs, it is done in SOS by command.
Q6. The maximum number of VF is Read-only in PCI config space, which is hard-wired by each device and driver. The real VFs number could be configured in SOS by command.
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