On 2024-10-30 12:46, Bjorn Helgaas wrote: > On Fri, Oct 25, 2024 at 06:57:37AM +0000, Kasireddy, Vivek wrote: > In the PCIe world, I don't think a TLP can "loop back" to another > function on the same device. I'm not sure if the spec says anything that specifically denies this. But it seems to me that it would be possible for a multifunction device to handle a transfer to a neighbouring function internally and not actually involve the PCIe fabric. This seems like something we'd want to support if and when such a device were to be created. Logan
