Marc, On Fri, 16 Oct 2015, Marc Zyngier wrote: > On 16/10/15 02:55, Jiang Liu wrote: > > There's a working to enable Intel VMD storage device, which > > has the similar requirement. Basically a PCIe hierarchy is hidden > > behind a parent PCIe device, so we need to use the PCIe irqs on parent > > to de-multiple PCIe IRQs from hidden PCIe devices. Seems a chance for > > consolidation here. > > Do you know if there is a 1-1 mapping between the interrupts seen by the > parent device and those seen by the hidden devices? Or is it a case of > having to demultiplex the MSIs? Looks like the former, but I'd like to > be sure. Yes, it's a demultiplexer. No 1:1 mapping. > Sure, will do when I repost this (probably in a few weeks), and assuming > this fits the bill for Thomas and the MBIGEN folks. It doesn't look that bad and the resulting mbigen stuff is way less horrible than it was before. So I agree this is a possible solution to the problem. Thanks, tglx -- 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
