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can you please explain me how we can use these in the pcie identification....... --- Quote End ---
PCIe device identification is identical to PCI device identification. The configuration space of the device contains device and manufacturer IDs, and contains the number of BARS, their sizes, whether they are prefetchable, etc.
These parameters are entered by the user when designing the PCIe IP core. I haven't use Altera's PCIe core (other than to test their reference designs), but I imagine there is a place in the MegaWizard to override the PCIe IDs, or at least the subvendor IDs.
Cheers,
Dave