Who decides PCI device number?

["Rajat Jain" <Rajat.Jain@xxxxxxxxxxxx>]

Hi,

In the PCI addess (domain + PCI bus num + PCI Device num + function num)
of a PCI device, who decides the PCI device number assigned to a PCI
device? 

- Is it hard wired for a particular PCI slot? (So that any PCI card
plugged into this slot will always have a particular PCI device number).


-Or is it hardwired on the PCI card? (So that this card if plugged on
any slot in any machine will have the same PCI device number)?

Thanks,

Rajat

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