For PCI, there's no internal bus Bus#4 in the left bottom device. On 04/27/2012 05:27 PM, Richard Yang wrote: > All, > > I draw a picture about the physical layout on a part of the pci system. > > Each block represent a bridge or a device. > Am I correct? > > +-----------------------------+ > | | > | | > | Bus#2 | > | ------------------ | > | | > | | > | | > | +-------------+ > | |DownStream |02:00.0 pci_dev > +---------------+-------+-----+ > | Bus#3 > ---------------+------------------------------------------+--- > | | > | | > +---------------+-------+-----+ +---------------+----+--+-----+ > | |UpStream |03:00.0 | |UpStream |03:01.0 > | +-------------+ | +-------------+ a normal device > | | | | > | | | | > | Bus#4 | | | > | ------------------- | | | > | +----------+ | | > | |DownStream| | | > +-----------------------+-----+ +-----------------------------+ > | > | Bus#5 > ------------+------------ > > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
