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How to find the pci adapter driver?

The lastest answer from the apple about my question as following:
1.Driver matching in IOKit is accomplished by comparing a drivers property
table with the list of available devices (nubs) in the
service plane.
Question:
Can you explain how and where to write or modify the drivers property
table?
Does it set in the info.plist or the driver source code(.h or .cpp)?
Does the list of available devices (nubs) in the service plane mean
the collected devices from OS?

2.A PCI driver would claim to have an IOProviderClass of IOPCIDevice. This
reduces the list to only PCI devices.
Question:
Does it mean i must create the IOProviderClass and set it's value to
IOPCIDevice in the info.plist?

3.Next it would use name based or more commonly vendor/device id or class
code matching.
Question:
Do i need to call any function to complete it?

Thanks for your help
from vivian
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