On Wed, Mar 14, 2018 at 12:34 PM, Stephen Bates <sbates@xxxxxxxxxxxx> wrote: >> P2P over PCI/PCI-X is quite common in devices like raid controllers. > > Hi Dan > > Do you mean between PCIe devices below the RAID controller? Isn't it pretty novel to be able to support PCIe EPs below a RAID controller (as opposed to SCSI based devices)? I'm thinking of the classic I/O offload card where there's an NTB to an internal PCI bus that has a storage controller and raid offload engines.