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Before checking whether a PCI device is a Multi-Function Device or not, we need make sure this PCI device is a valid PCI device. For a valid PCI device, the 'Header Layout' field in Header Type Register must be 000 0000b (Type 0 PCI device) or 000 0001b (Type 1 PCI device). So for a valid PCI device, the Header Type can't be 0xff. Tracked-On: #4134 Signed-off-by: Fei Li <fei1.li@intel.com> |
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