* Prasad Joshi (p.g.jo...@student.reading.ac.uk) wrote: > Is the answer > > "All PCI buses located behind a PCI-PCI bridge must reside between the > seondary bus number and the subordinate bus number (inclusive)." > > 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge > Bus: primary=00, secondary=01, subordinate=01, > sec-latency=64 > > So all the PCI devices between secondary (01) and subordinate (01) (in this > case same) are behind the PCI Bridge. Correct me if I am wrong.
That's correct. You'll find secondary < subordinate when there's another bridge downstream. > 01:05.0 Ethernet controller: Intel Corporation 82557/8/9/0/1 Ethernet Pro 100 > (rev 0c) > As Bus ID is 01 this ethernet controller is behind the PCI Bridge Yup. > 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B > PCI Express Gigabit Ethernet controller (rev 06) > As Bus: 03, I can assume this is not behind the PCI Bridge > > But if subordinate would have been, say 03 or 04, then even this ethernet > card (03:00:0) would be behind the PCI Bridge. > > Am I correct? That's right. thanks, -chris -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
