/* FUNCTIONS ******************************************************************/
+BOOLEAN
+NTAPI
+PciAreBusNumbersConfigured(IN PPCI_PDO_EXTENSION PdoExtension)
+{
+ UCHAR PrimaryBus, BaseBus, SecondaryBus, SubordinateBus;
+
+ PAGED_CODE();
+
+ /* Get all relevant bus number details */
+ PrimaryBus = PdoExtension->Dependent.type1.PrimaryBus;
+ BaseBus = PdoExtension->ParentFdoExtension->BaseBus;
+ SecondaryBus = PdoExtension->Dependent.type1.SecondaryBus;
+ SubordinateBus = PdoExtension->Dependent.type1.SubordinateBus;
+
+ /* The primary bus should be the base bus of the parent */
+ if ((PrimaryBus != BaseBus) || (SecondaryBus <= PrimaryBus)) return FALSE;
+
+ /* The subordinate should be a higher bus number than the secondary */
+ return SubordinateBus >= SecondaryBus;
+}
+
/* EOF */