@@ -69,6 +72,8 @@ static enum pci_region_type pci_addr_to_type(u32 addr) { if (addr& PCI_BASE_ADDRESS_SPACE_IO) return PCI_REGION_TYPE_IO; + if (addr& PCI_BASE_ADDRESS_MEM_TYPE_64) + return PCI_REGION_TYPE_PREFMEM_64;This seems dangerous - a 64bit bar can be non-prefetchable - getting this wrong could cause random (hard to debug) crashes.
Just out of curiosity - how this could happen? Having 64bit non-prefetchable BAR implies that the device is not behind any bridge (as bridges describe 64bit ranges for prefetchable memory only). Is it possible on nowadays systems?
